Remove unused diagnostics from include/clang/Basic/Diagnostic*.td files.

llvm-svn: 150409

clang/include/clang/Basic/DiagnosticASTKinds.td

@@ -10,8 +10,6 @@
 let Component = "AST" in {
 
 // Constant expression diagnostics. These (and their users) belong in Sema.
-//def note_comma_in_ice : Note<
-//  "C does not permit evaluated commas in an integer constant expression">;
 def note_expr_divide_by_zero : Note<"division by zero">;
 def note_constexpr_invalid_cast : Note<
   "%select{reinterpret_cast|dynamic_cast|cast which performs the conversions of"
@@ -44,9 +42,6 @@ def note_constexpr_array_index : Note<"cannot refer to element %0 of "
   "%select{array of %2 elements|non-array object}1 in a constant expression">;
 def note_constexpr_float_arithmetic : Note<
   "floating point arithmetic produces %select{an infinity|a NaN}0">;
-def note_constexpr_pointer_arithmetic : Note<
-  "cannot refer to element %0 of non-array object in a constant "
-  "expression">;
 def note_constexpr_pointer_subtraction_not_same_array : Note<
   "subtracted pointers are not elements of the same array">;
 def note_constexpr_pointer_comparison_base_classes : Note<
@@ -79,7 +74,6 @@ def note_constexpr_typeid_polymorphic : Note<
 def note_constexpr_void_comparison : Note<
   "comparison between unequal pointers to void has unspecified result">;
 def note_constexpr_temporary_here : Note<"temporary created here">;
-def note_constexpr_literal_here : Note<"literal written here">;
 def note_constexpr_depth_limit_exceeded : Note<
   "constexpr evaluation exceeded maximum depth of %0 calls">;
 def note_constexpr_ltor_volatile_type : Note<

clang/include/clang/Basic/DiagnosticAnalysisKinds.td

@@ -9,7 +9,4 @@
 
 let Component = "Analysis" in {
 
-// CHECK: use of uninitialized values
-def warn_uninit_val : Warning<"use of uninitialized variable">;
-
 }

clang/include/clang/Basic/DiagnosticCommonKinds.td

@@ -59,8 +59,6 @@ def warn_cxx98_compat_variadic_templates :
   InGroup<CXX98Compat>, DefaultIgnore;
 def err_default_special_members : Error<
   "only special member functions may be defaulted">;
-def err_friends_define_only_namespace_scope : Error<
-  "cannot define a function with non-namespace scope in a friend declaration">;
 def err_deleted_non_function : Error<
   "only functions can have deleted definitions">;
 def err_module_not_found : Error<"module '%0' not found">, DefaultFatal;

clang/include/clang/Basic/DiagnosticDriverKinds.td

@@ -98,8 +98,6 @@ def err_drv_mg_requires_m_or_mm : Error<
 
 def warn_c_kext : Warning<
   "ignoring -fapple-kext which is valid for c++ and objective-c++ only">;
-def warn_drv_unsupported_option_argument : Warning<
-  "ignoring unsupported argument '%1' to option '%0'">;
 def warn_drv_input_file_unused : Warning<
   "%0: '%1' input unused when '%2' is present">;
 def warn_drv_preprocessed_input_file_unused : Warning<
@@ -107,8 +105,6 @@ def warn_drv_preprocessed_input_file_unused : Warning<
 def warn_drv_unused_argument : Warning<
   "argument unused during compilation: '%0'">,
   InGroup<DiagGroup<"unused-command-line-argument">>;
-def warn_drv_pipe_ignored_with_save_temps : Warning<
-  "-pipe ignored because -save-temps specified">;
 def warn_drv_not_using_clang_cpp : Warning<
   "not using the clang preprocessor due to user override">;
 def warn_drv_not_using_clang_cxx : Warning<
@@ -121,8 +117,6 @@ def warn_drv_assuming_mfloat_abi_is : Warning<
   "unknown platform, assuming -mfloat-abi=%0">;
 def warn_ignoring_ftabstop_value : Warning<
   "ignoring invalid -ftabstop value '%0', using default value %1">;
-def warn_drv_conflicting_deployment_targets : Warning<
-  "conflicting deployment targets, both MACOSX_DEPLOYMENT_TARGET '%0' and IPHONEOS_DEPLOYMENT_TARGET '%1' are present in environment">;
 def warn_drv_treating_input_as_cxx : Warning<
   "treating '%0' input as '%1' when in C++ mode, this behavior is deprecated">,
   InGroup<Deprecated>;

clang/include/clang/Basic/DiagnosticFrontendKinds.td

@@ -13,9 +13,7 @@ def err_fe_error_opening : Error<"error opening '%0': %1">;
 def err_fe_error_reading : Error<"error reading '%0'">;
 def err_fe_error_reading_stdin : Error<"error reading stdin">;
 def err_fe_error_backend : Error<"error in backend: %0">, DefaultFatal;
-def err_fe_invalid_ast_file : Error<"invalid AST file: '%0'">, DefaultFatal;
+
-def err_fe_invalid_ast_action : Error<"invalid action for AST input">,
-                                      DefaultFatal;
 // Error generated by the backend.
 def err_fe_inline_asm : Error<"%0">, CatInlineAsm;
 def note_fe_inline_asm_here : Note<"instantiated into assembly here">;
@@ -28,16 +26,8 @@ def err_fe_invalid_code_complete_file : Error<
     "cannot locate code-completion file %0">, DefaultFatal;
 def err_fe_stdout_binary : Error<"unable to change standard output to binary">,
   DefaultFatal;
-def err_fe_stderr_binary : Error<"unable to change standard error to binary">,
-  DefaultFatal;
 def err_fe_dependency_file_requires_MT : Error<
     "-dependency-file requires at least one -MT or -MQ option">;
-def err_fe_incompatible_options : Error<
-    "'%0' cannot be used with '%1'">, DefaultFatal;
-def err_fe_no_fixit_and_codegen : Error<
-    "FIX-ITs cannot be applied when generating code">;
-def err_fe_unable_to_find_fixit_file : Error<
-    "FIX-IT could not find file '%0'">;
 def err_fe_invalid_plugin_name : Error<
     "unable to find plugin '%0'">;
 def err_fe_expected_compiler_job : Error<
@@ -91,13 +81,9 @@ def note_fixit_in_macro : Note<
 def note_fixit_failed : Note<
     "FIX-IT unable to apply suggested code changes">;
 def note_fixit_unfixed_error : Note<"FIX-IT detected an error it cannot fix">;
-def note_fixit_main_file_unchanged : Note<
-    "main file unchanged">;
 def warn_fixit_no_changes : Note<
     "FIX-IT detected errors it could not fix; no output will be generated">;
 
-def err_fe_invoking : Error<"error invoking%0: %1">, DefaultFatal;
-
 // PCH reader
 def err_relocatable_without_isysroot : Error<
     "must specify system root with -isysroot when building a relocatable "

clang/include/clang/Basic/DiagnosticLexKinds.td

@@ -95,7 +95,6 @@ def err_hex_escape_no_digits : Error<"\\x used with no following hex digits">;
 def err_ucn_escape_no_digits : Error<"\\u used with no following hex digits">;
 def err_ucn_escape_invalid : Error<"invalid universal character">;
 def err_ucn_escape_incomplete : Error<"incomplete universal character name">;
-def err_ucn_escape_too_big : Error<"universal character name is too long">;
 def err_invalid_decimal_digit : Error<"invalid digit '%0' in decimal constant">;
 def err_invalid_binary_digit : Error<"invalid digit '%0' in binary constant">;
 def err_invalid_octal_digit : Error<"invalid digit '%0' in octal constant">;
@@ -149,8 +148,6 @@ def warn_bad_character_encoding : ExtWarn<
 //===----------------------------------------------------------------------===//
 // PTH Diagnostics
 //===----------------------------------------------------------------------===//
-def err_pth_cannot_read : Error<
-    "PTH file '%0' could not be read">;
 def err_invalid_pth_file : Error<
     "invalid or corrupt PTH file '%0'">;
 
@@ -266,7 +263,6 @@ def pp_err_else_without_if : Error<"#else without #if">;
 def pp_err_elif_without_if : Error<"#elif without #if">;
 def err_pp_endif_without_if : Error<"#endif without #if">;
 def err_pp_expected_value_in_expr : Error<"expected value in expression">;
-def err_pp_missing_val_before_operator : Error<"missing value before operator">;
 def err_pp_expected_rparen : Error<"expected ')' in preprocessor expression">;
 def err_pp_expected_eol : Error<
   "expected end of line in preprocessor expression">;
@@ -409,7 +405,6 @@ def note_mmap_lsquare_match : Note<"to match this ']'">;
 def err_mmap_expected_member : Error<
   "expected umbrella, header, submodule, or module export">;
 def err_mmap_expected_header : Error<"expected a header name after '%0'">;
-def err_mmap_expected_dir : Error<"expected a directory name after '%0'">;
 def err_mmap_module_redefinition : Error<
   "redefinition of module '%0'">;
 def note_mmap_prev_definition : Note<"previously defined here">;

clang/include/clang/Basic/DiagnosticParseKinds.td

@@ -195,8 +195,6 @@ def err_address_of_label_outside_fn : Error<
 def err_expected_string_literal : Error<"expected string literal">;
 def err_asm_operand_wide_string_literal : Error<
   "cannot use wide string literal in 'asm'">;
-def err_expected_asm_operand : Error<
-  "expected string literal or '[' for asm operand">, CatInlineAsm;
 def err_expected_selector_for_method : Error<
   "expected selector for Objective-C method">;
 def err_expected_property_name : Error<"expected property name">;
@@ -300,8 +298,6 @@ def err_templated_using_directive : Error<
   "cannot template a using directive">;
 def err_templated_using_declaration : Error<
   "cannot template a using declaration">;
-def err_expected_ident_in_using : Error<
-  "expected an identifier in using directive">;
 def err_unexected_colon_in_nested_name_spec : Error<
   "unexpected ':' in nested name specifier">;
 def err_bool_redeclaration : Error<
@@ -358,11 +354,6 @@ def err_objc_directive_only_in_protocol : Error<
 def err_missing_catch_finally : Error<
   "@try statement without a @catch and @finally clause">;
 def err_objc_concat_string : Error<"unexpected token after Objective-C string">;
-def err_missing_sel_definition : Error<"cannot find definition of 'SEL'">;
-def err_missing_id_definition : Error<"cannot find definition of 'id'">;
-def err_missing_proto_definition : Error<
-  "cannot find definition of 'Protocol'">;
-def err_missing_class_definition : Error<"cannot find definition of 'Class'">;
 def err_expected_objc_container : Error<
   "'@end' must appear in an Objective-C context">;
 def error_property_ivar_decl : Error<
@@ -461,7 +452,6 @@ def err_unknown_template_name : Error<
   "unknown template name %0">;
 def err_expected_comma_greater : Error<
   "expected ',' or '>' in template-parameter-list">;
-def err_expected_type_id_after : Error<"expected type-id after '%0'">;
 def err_expected_class_before : Error<"expected 'class' before '%0'">;
 def err_template_spec_syntax_non_template : Error<
   "identifier followed by '<' indicates a class template specialization but "
@@ -469,10 +459,6 @@ def err_template_spec_syntax_non_template : Error<
   "template|<unused>|refers to a template template parameter}1">;
 def err_id_after_template_in_nested_name_spec : Error<
   "expected template name after 'template' keyword in nested name specifier">;
-def err_id_after_template_in_typename_spec : Error<
-  "expected template name after 'template' keyword in typename specifier">;
-def err_less_after_template_name_in_nested_name_spec : Error<
-  "expected '<' after 'template %0' in nested name specifier">;
 def err_two_right_angle_brackets_need_space : Error<
   "a space is required between consecutive right angle brackets (use '> >')">;
 def warn_cxx0x_right_shift_in_template_arg : Warning<
@@ -588,8 +574,6 @@ def warn_cxx98_compat_override_control_keyword : Warning<
 
 def err_duplicate_virt_specifier : Error<
   "class member already marked '%0'">;
-def err_duplicate_class_virt_specifier : Error<
-  "class already marked '%0'">;
 
 def err_scoped_enum_missing_identifier : Error<
   "scoped enumeration requires a name">;
@@ -655,8 +639,6 @@ def warn_pragma_align_invalid_option : Warning<
 // - #pragma pack
 def warn_pragma_pack_invalid_action : Warning<
   "unknown action for '#pragma pack' - ignored">;
-def warn_pragma_pack_invalid_constant : Warning<
-  "invalid constant for '#pragma pack', expected %0 - ignored">;
 def warn_pragma_pack_malformed : Warning<
   "expected integer or identifier in '#pragma pack' - ignored">;
 // - #pragma unused

clang/include/clang/Basic/DiagnosticSemaKinds.td

@@ -120,8 +120,6 @@ def ext_flexible_array_init : Extension<
   "flexible array initialization is a GNU extension">, InGroup<GNU>;
 
 // Declarations.
-def ext_anon_param_requires_type_specifier : Extension<
-  "type specifier required for unnamed parameter, defaults to int">;
 def err_bad_variable_name : Error<
   "%0 cannot be the name of a variable or data member">;
 def err_bad_parameter_name : Error<
@@ -386,8 +384,6 @@ def warn_pragma_unused_undeclared_var : Warning<
   "undeclared variable %0 used as an argument for '#pragma unused'">;
 def warn_pragma_unused_expected_var_arg : Warning<
   "only variables can be arguments to '#pragma unused'">;
-def err_unsupported_pragma_weak : Error<
-  "using '#pragma weak' to refer to an undeclared identifier is not yet supported">;
 def err_pragma_push_visibility_mismatch : Error<
   "#pragma visibility push with no matching #pragma visibility pop">;
 def note_surrounding_namespace_ends_here : Note<
@@ -833,9 +829,6 @@ def err_access_field_ctor : Error<
   "%select{default |copy |move |*ERROR* |*ERROR* |*ERROR* |}1constructor">,
   AccessControl;
 
-def err_access_ctor_field :
-    Error<"field of type %1 has %select{private|protected}2 constructor">,
-    AccessControl;
 def err_access_dtor : Error<
   "calling a %select{private|protected}1 destructor of class %0">, 
   AccessControl;
@@ -858,29 +851,12 @@ def err_access_dtor_field :
 def err_access_dtor_var :
     Error<"variable of type %1 has %select{private|protected}2 destructor">,
     AccessControl;
-def err_access_assign_field :
-    Error<"field of type %1 has %select{private|protected}2 copy assignment"
-          " operator">,
-    AccessControl;
-def err_access_assign_base :
-    Error<"base class %0 has %select{private|protected}1 copy assignment"
-          " operator">,
-    AccessControl;
-def err_access_copy_field :
-    Error<"field of type %1 has %select{private|protected}2 copy constructor">,
-    AccessControl;
-def err_access_copy_base :
-    Error<"base class %0 has %select{private|protected}1 copy constructor">,
-    AccessControl;
 def err_access_dtor_ivar :
     Error<"instance variable of type %0 has %select{private|protected}1 "
           "destructor">,
     AccessControl;
 def note_previous_access_declaration : Note<
   "previously declared '%1' here">;
-def err_access_outside_class : Error<
-  "access to %select{private|protected}0 member outside any class context">,
-  AccessControl;
 def note_access_natural : Note<
   "%select{|implicitly }1declared %select{private|protected}0 here">;
 def note_access_constrained_by_path : Note<
@@ -1096,13 +1072,6 @@ def err_init_conversion_failed : Error<
 
 def err_lvalue_to_rvalue_ref : Error<"rvalue reference to type %0 cannot bind "
   "to lvalue of type %1">;
-def err_invalid_initialization : Error<
-"invalid initialization of reference of type %0 from expression of type %1">;
-def err_lvalue_to_rvalue_ambig_ref : Error<"rvalue reference cannot bind to lvalue "
-                                           "due to multiple conversion functions">;
-def err_not_reference_to_const_init : Error<
-  "%select{non-const|volatile}0 lvalue reference to type %1 cannot be "
-  "initialized with a %select{value|temporary}2 of type %3">;
 def err_lvalue_reference_bind_to_initlist : Error<
   "%select{non-const|volatile}0 lvalue reference to type %1 cannot bind to an "
   "initializer list temporary">;
@@ -1127,17 +1096,12 @@ def err_member_function_call_bad_cvr : Error<"member function %0 not viable: "
     "%select{const|restrict|const or restrict|volatile|const or volatile|"
     "volatile or restrict|const, volatile, or restrict}2">;
 
-def err_reference_init_drops_quals : Error<
-  "initialization of reference to type %0 with a %select{value|temporary}1 of type %2 drops "
-  "qualifiers">;
 def err_reference_bind_to_bitfield : Error<
   "%select{non-const|volatile}0 reference cannot bind to bit-field %1">;
 def err_reference_bind_to_vector_element : Error<
   "%select{non-const|volatile}0 reference cannot bind to vector element">;
 def err_reference_var_requires_init : Error<
   "declaration of reference variable %0 requires an initializer">;
-def err_const_var_requires_init : Error<
-  "declaration of const variable '%0' requires an initializer">;
 def err_reference_without_init : Error<
   "reference to type %0 requires an initializer">;
 def err_reference_has_multiple_inits : Error<
@@ -1205,8 +1169,6 @@ def warn_cxx98_compat_temp_copy : Warning<
   InGroup<CXX98CompatBindToTemporaryCopy>, DefaultIgnore;
 
 // C++11 decltype
-def err_cannot_determine_declared_type_of_overloaded_function : Error<
-    "cannot determine the type of an overloaded function">;
 def warn_cxx98_compat_decltype : Warning<
   "'decltype' type specifier is incompatible with C++98">,
   InGroup<CXX98Compat>, DefaultIgnore;
@@ -1275,11 +1237,9 @@ def err_class_marked_final_used_as_base : Error<
 // C++11 attributes
 def err_repeat_attribute : Error<"'%0' attribute cannot be repeated">;
 
-// C++11 [[final]]
+// C++11 final
 def err_final_function_overridden : Error<
   "declaration of %0 overrides a 'final' function">;
-def err_final_base : Error<
-  "derivation from 'final' %0">;
 
 // C++11 scoped enumerations
 def err_enum_invalid_underlying : Error<
@@ -1302,8 +1262,6 @@ def err_enum_class_reference : Error<
   "not 'enum class'">;
 def err_only_enums_have_underlying_types : Error<
   "only enumeration types have underlying types">;
-def err_incomplete_type_no_underlying_type : Error<
-  "an incomplete enumeration type has no underlying type yet">;
 
 // C++11 delegating constructors
 def err_delegating_ctor : Error<
@@ -1320,8 +1278,6 @@ def note_it_delegates_to : Note<
   "it delegates to">, InGroup<DelegatingCtorCycles>;
 def note_which_delegates_to : Note<
   "which delegates to">, InGroup<DelegatingCtorCycles>;
-def err_delegating_codegen_not_implemented : Error<
-  "code generation for delegating constructors not implemented">;
 
 // C++11 range-based for loop
 def err_for_range_decl_must_be_var : Error<
@@ -1368,8 +1324,6 @@ def err_constexpr_var_requires_const_init : Error<
 def err_constexpr_redecl_mismatch : Error<
   "%select{non-constexpr declaration of %0 follows constexpr declaration"
   "|constexpr declaration of %0 follows non-constexpr declaration}1">;
-def note_constexpr_redecl_mismatch : Note<
-  "previous declaration was %select{not |}0marked constexpr">;
 def err_constexpr_virtual : Error<"virtual function cannot be constexpr">;
 def err_constexpr_virtual_base : Error<
   "constexpr %select{member function|constructor}0 not allowed in "
@@ -1500,8 +1454,6 @@ def err_typecheck_vector_not_convertable : Error<
   "can't convert between vector values of different size (%0 and %1)">;
 def err_typecheck_ext_vector_not_typedef : Error<
   "ext_vector_type only applies to types, not variables">;
-def err_unsupported_vector_size : Error<
-  "unsupported type %0 for vector_size attribute, please use on typedef">;
 def err_ext_vector_component_exceeds_length : Error<
   "vector component access exceeds type %0">;
 def err_ext_vector_component_name_illegal : Error<
@@ -1520,8 +1472,6 @@ def err_as_qualified_auto_decl : Error<
   "automatic variable qualified with an address space">;
 def err_arg_with_address_space : Error<
   "parameter may not be qualified with an address space">;
-def err_attr_objc_ownership_bad_type : Error<
-  "the type %0 cannot be retained">;
 def err_attr_objc_ownership_redundant : Error<
   "the type %0 is already explicitly ownership-qualified">;
 def err_attribute_not_string : Error<
@@ -1613,8 +1563,6 @@ def err_objc_precise_lifetime_bad_type : Error<
 def warn_objc_precise_lifetime_meaningless : Error<
   "objc_precise_lifetime is not meaningful for "
   "%select{__unsafe_unretained|__autoreleasing}0 objects">;
-def warn_label_attribute_not_unused : Warning<
-  "The only valid attribute for labels is 'unused'">;
 def err_invalid_pcs : Error<"Invalid PCS type">;
 def err_attribute_can_be_applied_only_to_value_decl : Error<
   "%0 attribute can only be applied to value declarations">;
@@ -1786,9 +1734,6 @@ def warn_attribute_nonnull_no_pointers : Warning<
   "'nonnull' attribute applied to function with no pointer arguments">;
 def warn_attribute_malloc_pointer_only : Warning<
   "'malloc' attribute only applies to functions returning a pointer type">;
-def warn_transparent_union_nonpointer : Warning<
-  "'transparent_union' attribute support incomplete; only supported for "
-  "pointer unions">;
 def warn_attribute_sentinel_named_arguments : Warning<
   "'sentinel' attribute requires named arguments">;
 def warn_attribute_sentinel_not_variadic : Warning<
@@ -1883,8 +1828,6 @@ def err_uninitialized_member_for_assign : Error<
   "cannot define the implicit default assignment operator for %0, because "
   "non-static %select{reference|const}1 member %2 can't use default "
   "assignment operator">;
-def note_first_required_here : Note<
-  "synthesized method is first required here">;
 def err_uninitialized_member_in_ctor : Error<
   "%select{|implicit default }0constructor for %1 must explicitly initialize "
   "the %select{reference|const}2 member %3">;
@@ -2664,8 +2607,6 @@ def note_using_value_decl_missing_typename : Note<
 
 def err_template_kw_refers_to_non_template : Error<
     "%0 following the 'template' keyword does not refer to a template">;
-def err_template_kw_refers_to_function_template : Error<
-    "%0 following the 'template' keyword refers to a function template">;
 def err_template_kw_refers_to_class_template : Error<
     "'%0%1' instantiated to a class template, not a function template">;
 def note_referenced_class_template : Error<
@@ -2945,8 +2886,6 @@ def err_typecheck_zero_array_size : Error<
 def warn_typecheck_zero_static_array_size : Warning<
   "'static' has no effect on zero-length arrays">,
   InGroup<DiagGroup<"array-bounds">>;
-def err_at_least_one_initializer_needed_to_size_array : Error<
-  "at least one initializer value required to size array">;
 def err_array_size_non_int : Error<"size of array has non-integer type %0">;
 def err_init_element_not_constant : Error<
   "initializer element is not a compile-time constant">;
@@ -2957,8 +2896,6 @@ def err_block_extern_cant_init : Error<
 def warn_extern_init : Warning<"'extern' variable has an initializer">;
 def err_variable_object_no_init : Error<
   "variable-sized object may not be initialized">;
-def err_array_init_list_required : Error<
-  "initialization with '{...}' expected for array">;
 def err_excess_initializers : Error<
   "excess elements in %select{array|vector|scalar|union|struct}0 initializer">;
 def warn_excess_initializers : ExtWarn<
@@ -3384,15 +3321,11 @@ def err_illegal_decl_mempointer_in_nonclass : Error<
 def err_mempointer_in_nonclass_type : Error<
   "member pointer refers into non-class type %0">;
 def err_reference_to_void : Error<"cannot form a reference to 'void'">;
-def err_qualified_block_pointer_type : Error<
-  "qualifier specification on block pointer type not allowed">;
 def err_nonfunction_block_type : Error<
   "block pointer to non-function type is invalid">;
 def err_return_block_has_expr : Error<"void block should not return a value">;
 def err_block_return_missing_expr : Error<
   "non-void block should return a value">;
-def err_block_with_return_type_requires_args : Error<
-  "block with explicit return type requires argument list">;
 def err_func_def_incomplete_result : Error<
   "incomplete result type %0 in function definition">;
 def err_atomic_specifier_bad_type : Error<
@@ -3403,9 +3336,6 @@ def err_atomic_specifier_bad_type : Error<
 // Expressions.
 def ext_sizeof_function_type : Extension<
   "invalid application of 'sizeof' to a function type">, InGroup<PointerArith>;
-def err_sizeof_alignof_overloaded_function_type : Error<
-  "invalid application of '%select{sizeof|__alignof|vec_step}0' to an "
-  "overloaded function">;
 def ext_sizeof_void_type : Extension<
   "invalid application of '%select{sizeof|__alignof|vec_step}0' to a void "
   "type">, InGroup<PointerArith>;
@@ -3556,8 +3486,6 @@ def err_member_def_does_not_match_ret_type : Error<
   "out-of-line definition of %q0 differs from the declaration in the return type">;
 def err_nonstatic_member_out_of_line : Error<
   "non-static data member defined out-of-line">;
-def err_nonstatic_flexible_variable : Error<
-  "non-static initialization of a variable with flexible array member">;
 def err_qualified_typedef_declarator : Error<
   "typedef declarator cannot be qualified">;
 def err_qualified_param_declarator : Error<
@@ -3656,12 +3584,8 @@ def warn_pointer_indirection_from_incompatible_type : Warning<
 
 def err_objc_object_assignment : Error<
   "cannot assign to class object (%0 invalid)">;
-def err_direct_interface_unsupported : Error<
-  "indirection to an interface is not supported (%0 invalid)">;
 def err_typecheck_invalid_operands : Error<
   "invalid operands to binary expression (%0 and %1)">;
-def err_typecheck_sub_ptr_object : Error<
-  "subtraction of pointer %0 requires pointee to be a complete object type">;
 def err_typecheck_sub_ptr_compatible : Error<
   "%0 and %1 are not pointers to compatible types">;
 def ext_typecheck_ordered_comparison_of_pointer_integer : ExtWarn<
@@ -3687,8 +3611,6 @@ def err_typecheck_comparison_of_distinct_pointers : Error<
 def ext_typecheck_comparison_of_distinct_pointers_nonstandard : ExtWarn<
   "comparison of distinct pointer types (%0 and %1) uses non-standard "
   "composite pointer type %2">;
-def err_typecheck_vector_comparison : Error<
-  "comparison of vector types (%0 and %1) not supported yet">;
 def err_typecheck_assign_const : Error<"read-only variable is not assignable">;
 def err_stmtexpr_file_scope : Error<
   "statement expression not allowed at file scope">;
@@ -3734,8 +3656,6 @@ def err_invalid_incomplete_type_use : Error<
   "invalid use of incomplete type %0">;
 def err_builtin_func_cast_more_than_one_arg : Error<
   "function-style cast to a builtin type can only take one argument">;
-def err_builtin_direct_init_more_than_one_arg : Error<
-  "initializer of a builtin type can only take one argument">;
 def err_value_init_for_array_type : Error<
   "array types cannot be value-initialized">;
 def warn_format_nonliteral_noargs : Warning<
@@ -3847,8 +3767,6 @@ def warn_register_objc_catch_parm : Warning<
   "'register' storage specifier on @catch parameter will be ignored">;
 def err_qualified_objc_catch_parm : Error<
   "@catch parameter declarator cannot be qualified">;
-def err_objc_pointer_cxx_catch_gnu : Error<
-  "can't catch Objective C exceptions in C++ in the GNU runtime">;
 def warn_objc_pointer_cxx_catch_fragile : Warning<
   "can not catch an exception thrown with @throw in C++ in the non-unified "
   "exception model">, InGroup<ObjCNonUnifiedException>;
@@ -3866,8 +3784,6 @@ def warn_setter_getter_impl_required_in_category : Warning<
   "property %0 requires method %1 to be defined - "
   "use @dynamic or provide a method implementation in this category">,
   InGroup<ObjCPropertyImpl>;
-def note_property_impl_required : Note<
-  "implementation is here">;
 def note_parameter_named_here : Note<
   "passing argument to parameter %0 here">;
 def note_parameter_here : Note<
@@ -3924,7 +3840,6 @@ def err_bad_static_cast_member_pointer_nonmp : Error<
 def err_bad_cxx_cast_member_pointer_size : Error<
   "cannot %select{||reinterpret_cast||C-style cast|}0 from member pointer "
   "type %1 to member pointer type %2 of different size">;
-def err_bad_static_cast_incomplete : Error<"%0 is an incomplete type">;
 def err_bad_reinterpret_cast_reference : Error<
   "reinterpret_cast of a %0 to %1 needs its address which is not allowed">;
 def warn_undefined_reinterpret_cast : Warning<
@@ -4033,8 +3948,6 @@ def err_qualified_catch_declarator : Error<
 def err_early_catch_all : Error<"catch-all handler must come last">;
 def err_bad_memptr_rhs : Error<
   "right hand operand to %0 has non pointer-to-member type %1">;
-def err_memptr_rhs_to_incomplete : Error<
-  "cannot dereference pointer into incomplete class type %0">;
 def err_bad_memptr_lhs : Error<
   "left hand operand to %0 must be a %select{|pointer to }1class "
   "compatible with the right hand operand, but is %2">;
@@ -4066,7 +3979,6 @@ def warn_overaligned_type : Warning<
   "type %0 requires %1 bytes of alignment and the default allocator only "
   "guarantees %2 bytes">,
   InGroup<OveralignedType>, DefaultIgnore;
-def note_overaligned_type : Note<"over-aligned here">;
 
 def err_conditional_void_nonvoid : Error<
   "%select{left|right}1 operand to ? is void, but %select{right|left}1 operand "
@@ -4140,9 +4052,6 @@ def err_dtor_expr_without_call : Error<
 def err_pseudo_dtor_destructor_non_type : Error<
   "%0 does not refer to a type name in pseudo-destructor expression; expected "
   "the name of type %1">;
-def err_pseudo_dtor_template : Error<
-  "specialization of template %0 does not refer to a scalar type in pseudo-"
-  "destructor expression">;
 def err_invalid_use_of_function_type : Error<
   "a function type is not allowed here">;
 def err_invalid_use_of_array_type : Error<"an array type is not allowed here">;
@@ -4160,8 +4069,6 @@ def err_typecheck_deleted_function : Error<
 def err_expected_class_or_namespace : Error<"expected a class or namespace">;
 def err_expected_class : Error<"%0 is not a class%select{ or namespace|, "
   "namespace, or scoped enumeration}1">;
-def err_missing_qualified_for_redecl : Error<
-  "must qualify the name %0 to declare %q1 in this scope">;
 def err_invalid_declarator_scope : Error<
   "definition or redeclaration of %0 not in a namespace enclosing %1">;
 def err_invalid_declarator_global_scope : Error<
@@ -4175,8 +4082,6 @@ def err_cannot_form_pointer_to_member_of_reference_type : Error<
   "cannot form a pointer-to-member to member %0 of reference type %1">;
 def err_incomplete_object_call : Error<
   "incomplete type in call to object of type %0">;
-def err_incomplete_pointer_to_member_return : Error<
-  "incomplete return type %0 of pointer-to-member constant">;
 
 def warn_condition_is_assignment : Warning<"using the result of an "
   "assignment as a condition without parentheses">,
@@ -4199,12 +4104,6 @@ def note_equality_comparison_to_assign : Note<
 def note_equality_comparison_silence : Note<
   "remove extraneous parentheses around the comparison to silence this warning">;
 
-def warn_synthesized_ivar_access : Warning<
-  "direct access of synthesized ivar by using property access %0">,
-  InGroup<NonfragileAbi2>, DefaultIgnore;
-
-def note_global_declared_at : Note<"global variable declared here">;
-
 // assignment related diagnostics (also for argument passing, returning, etc).
 // In most of these diagnostics the %2 is a value from the
 // Sema::AssignmentAction enumeration
@@ -4334,8 +4233,6 @@ def err_typecheck_incompatible_ownership : Error<
   "|sending %0 to parameter of type %1"
   "|casting %0 to type %1}2"
   " changes retain/release properties of pointer">;
-def err_typecheck_convert_ambiguous : Error<
-  "ambiguity in initializing value of type %0 with initializer of type %1">;
 def err_typecheck_comparison_of_distinct_blocks : Error<
   "comparison of distinct block types (%0 and %1)">;
 
@@ -4469,9 +4366,6 @@ def warn_typecheck_cond_pointer_integer_mismatch : ExtWarn<
   InGroup<DiagGroup<"conditional-type-mismatch">>;
 def err_typecheck_choose_expr_requires_constant : Error<
   "'__builtin_choose_expr' requires a constant expression">;
-def ext_typecheck_expression_not_constant : Extension<
-  "expression is not a constant; folding it to one is a GNU extension">,
-  InGroup<GNU>;
 def warn_unused_expr : Warning<"expression result unused">,
   InGroup<UnusedValue>;
 def warn_unused_voidptr : Warning<
@@ -4539,10 +4433,6 @@ def err_invalid_conversion_between_vector_and_integer : Error<
 
 def err_invalid_conversion_between_vector_and_scalar : Error<
   "invalid conversion between vector type %0 and scalar type %1">;
-def err_overload_expr_requires_non_zero_constant : Error<
-  "overload requires a non-zero constant expression as first argument">;
-def err_overload_incorrect_fntype : Error<
-  "argument is not a function, or has wrong number of parameters">;
 
 // C++ member initializers.
 def err_only_constructors_take_base_inits : Error<
@@ -4661,14 +4551,6 @@ def err_memptr_conv_via_virtual : Error<
   "conversion from pointer to member of class %0 to pointer to member "
   "of class %1 via virtual base %2 is not allowed">;
 
-// C++ access control
-def err_conv_to_inaccessible_base : Error<
-  "conversion from %0 to inaccessible base class %1">, AccessControl;
-def note_inheritance_specifier_here : Note<
-  "'%0' inheritance specifier here">;
-def note_inheritance_implicitly_private_here : Note<
-  "inheritance is implicitly 'private'">;
-
 // C++ member name lookup
 def err_ambiguous_member_multiple_subobjects : Error<
   "non-static member %0 found in multiple base-class subobjects of type %1:%2">;
@@ -4994,9 +4876,6 @@ def err_generic_sel_multi_match : Error<
 // Blocks
 def err_blocks_disable : Error<"blocks support disabled - compile with -fblocks"
   " or pick a deployment target that supports them">;
-def err_expected_block_lbrace : Error<"expected '{' in block literal">;
-def err_return_in_block_expression : Error<
-  "return not allowed in block expression literal">;
 def err_block_returning_array_function : Error<
   "block cannot return %select{array|function}0 type %1">;
 
@@ -5183,8 +5062,6 @@ def err_decimal_unsupported : Error<
   "GNU decimal type extension not supported">;
 def err_missing_type_specifier : Error<
   "C++ requires a type specifier for all declarations">;
-def err_missing_param_declspec : Error<
-  "parameter requires a declaration specifier">;
 def err_objc_array_of_interfaces : Error<
   "array of interface %0 is invalid (probably should be an array of pointers)">;
 def ext_c99_array_usage : Extension<

clang/test/Misc/warning-flags.c

@@ -17,8 +17,7 @@ This test serves two purposes:
 
 The list of warnings below should NEVER grow.  It should gradually shrink to 0.
 
-CHECK: Warnings without flags (266):
+CHECK: Warnings without flags (258):
-CHECK-NEXT:   ext_anon_param_requires_type_specifier
 CHECK-NEXT:   ext_anonymous_struct_union_qualified
 CHECK-NEXT:   ext_array_init_copy
 CHECK-NEXT:   ext_binary_literal
@@ -145,16 +144,13 @@ CHECK-NEXT:   warn_division_by_zero
 CHECK-NEXT:   warn_double_const_requires_fp64
 CHECK-NEXT:   warn_drv_assuming_mfloat_abi_is
 CHECK-NEXT:   warn_drv_clang_unsupported
-CHECK-NEXT:   warn_drv_conflicting_deployment_targets
 CHECK-NEXT:   warn_drv_input_file_unused
 CHECK-NEXT:   warn_drv_not_using_clang_arch
 CHECK-NEXT:   warn_drv_not_using_clang_cpp
 CHECK-NEXT:   warn_drv_not_using_clang_cxx
 CHECK-NEXT:   warn_drv_objc_gc_unsupported
 CHECK-NEXT:   warn_drv_pch_not_first_include
-CHECK-NEXT:   warn_drv_pipe_ignored_with_save_temps
 CHECK-NEXT:   warn_drv_preprocessed_input_file_unused
-CHECK-NEXT:   warn_drv_unsupported_option_argument
 CHECK-NEXT:   warn_dup_category_def
 CHECK-NEXT:   warn_duplicate_protocol_def
 CHECK-NEXT:   warn_enum_too_large
@@ -185,7 +181,6 @@ CHECK-NEXT:   warn_instance_method_on_class_found
 CHECK-NEXT:   warn_integer_too_large
 CHECK-NEXT:   warn_integer_too_large_for_signed
 CHECK-NEXT:   warn_invalid_asm_cast_lvalue
-CHECK-NEXT:   warn_label_attribute_not_unused
 CHECK-NEXT:   warn_many_braces_around_scalar_init
 CHECK-NEXT:   warn_maynot_respond
 CHECK-NEXT:   warn_member_extra_qualification
@@ -231,7 +226,6 @@ CHECK-NEXT:   warn_pragma_options_align_unsupported_option
 CHECK-NEXT:   warn_pragma_options_expected_align
 CHECK-NEXT:   warn_pragma_pack_invalid_action
 CHECK-NEXT:   warn_pragma_pack_invalid_alignment
-CHECK-NEXT:   warn_pragma_pack_invalid_constant
 CHECK-NEXT:   warn_pragma_pack_malformed
 CHECK-NEXT:   warn_pragma_pack_pop_failed
 CHECK-NEXT:   warn_pragma_pack_pop_identifer_and_alignment
@@ -269,14 +263,12 @@ CHECK-NEXT:   warn_transparent_union_attribute_field_size_align
 CHECK-NEXT:   warn_transparent_union_attribute_floating
 CHECK-NEXT:   warn_transparent_union_attribute_not_definition
 CHECK-NEXT:   warn_transparent_union_attribute_zero_fields
-CHECK-NEXT:   warn_transparent_union_nonpointer
 CHECK-NEXT:   warn_typecheck_function_qualifiers
 CHECK-NEXT:   warn_unavailable_fwdclass_message
 CHECK-NEXT:   warn_undef_interface
 CHECK-NEXT:   warn_undef_interface_suggest
 CHECK-NEXT:   warn_undef_protocolref
 CHECK-NEXT:   warn_undefined_internal
-CHECK-NEXT:   warn_uninit_val
 CHECK-NEXT:   warn_unknown_analyzer_checker
 CHECK-NEXT:   warn_unknown_method_family
 CHECK-NEXT:   warn_unterminated_char