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Add a subgroup of c++1z-compat to enable and disable the warning about 

c++17's non-throwing exception specification in function signature.

rdar://problem/32628743

Differential Revision: https://reviews.llvm.org/D34251

llvm-svn: 305772
This commit is contained in:
Akira Hatanaka 2017-06-20 06:18:46 +00:00
parent 1fb8daa69a
commit ae8afe180f
3 changed files with 6 additions and 3 deletions
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4
clang/include/clang/Basic/DiagnosticGroups.td
View File

@ -149,6 +149,7 @@ def GNUFlexibleArrayUnionMember : DiagGroup<"gnu-flexible-array-union-member">;
def GNUFoldingConstant : DiagGroup<"gnu-folding-constant">;
def FormatExtraArgs : DiagGroup<"format-extra-args">;
def FormatZeroLength : DiagGroup<"format-zero-length">;
def CXX1zCompatMangling : DiagGroup<"c++1z-compat-mangling">;
// Warnings for C++1y code which is not compatible with prior C++ standards.
def CXXPre14Compat : DiagGroup<"c++98-c++11-compat">;
@ -211,7 +212,8 @@ def CXX14CompatPedantic : DiagGroup<"c++14-compat-pedantic",
[CXXPre1zCompatPedantic]>;
def CXX1zCompat : DiagGroup<"c++1z-compat", [DeprecatedRegister,
DeprecatedIncrementBool]>;
DeprecatedIncrementBool,
CXX1zCompatMangling]>;
def ExitTimeDestructors : DiagGroup<"exit-time-destructors">;
def FlexibleArrayExtensions : DiagGroup<"flexible-array-extensions">;

2
clang/include/clang/Basic/DiagnosticSemaKinds.td
View File

@ -507,7 +507,7 @@ def warn_deprecated_copy_operation : Warning<
InGroup<Deprecated>, DefaultIgnore;
def warn_cxx1z_compat_exception_spec_in_signature : Warning<
"mangled name of %0 will change in C++17 due to non-throwing exception "
"specification in function signature">, InGroup<CXX1zCompat>;
"specification in function signature">, InGroup<CXX1zCompatMangling>;
def warn_global_constructor : Warning<
"declaration requires a global constructor">,

3
clang/test/SemaCXX/cxx1z-noexcept-function-type.cpp
View File

@ -1,5 +1,6 @@
// RUN: %clang_cc1 -std=c++14 -verify -fexceptions -fcxx-exceptions %s
// RUN: %clang_cc1 -std=c++1z -verify -fexceptions -fcxx-exceptions %s -Wno-dynamic-exception-spec
// RUN: %clang_cc1 -std=c++14 -verify -fexceptions -fcxx-exceptions -Wno-c++1z-compat-mangling -DNO_COMPAT_MANGLING %s
#if __cplusplus > 201402L
@ -81,7 +82,7 @@ namespace CompatWarning {
auto f5() -> void (*)() throw();
auto f6() -> void (&)() throw();
auto f7() -> void (X::*)() throw();
#if __cplusplus <= 201402L
#if __cplusplus <= 201402L && !defined(NO_COMPAT_MANGLING)
// expected-warning@-8 {{mangled name of 'f1' will change in C++17 due to non-throwing exception specification in function signature}}
// expected-warning@-8 {{mangled name of 'f2' will change in C++17 due to non-throwing exception specification in function signature}}
// expected-warning@-8 {{mangled name of 'f3' will change in C++17 due to non-throwing exception specification in function signature}}