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Fix even more Clang warnings. 

This patch disables shift-sign-overflow warnings for now. It also
fixes most -Wfloat-equal warnings and -Wextra-semi warnings.

llvm-svn: 343438
This commit is contained in:
Eric Fiselier 2018-10-01 01:59:37 +00:00
parent cd269132ec
commit 0b485f3e91
6 changed files with 14 additions and 10 deletions
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3
libcxx/CMakeLists.txt
View File

@ -547,7 +547,7 @@ add_definitions(-D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
add_compile_flags_if_supported(
-Wall -Wextra -W -Wwrite-strings
-Wno-unused-parameter -Wno-long-long
-Werror=return-type)
-Werror=return-type -Wextra-semi)
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
add_compile_flags_if_supported(
-Wno-user-defined-literals
@ -566,6 +566,7 @@ if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
-Wno-sign-conversion
-Wno-old-style-cast
-Wno-deprecated # FIXME: Remove this and fix all occurrences.
-Wno-shift-sign-overflow # FIXME: Why do we need this with clang-cl but not clang?
)
endif()
elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")

2
libcxx/include/filesystem
View File

@ -587,7 +587,7 @@ template <class _ECharT>
typename enable_if<__can_convert_char<_ECharT>::value, bool>::type
__is_separator(_ECharT __e) {
return __e == _ECharT('/');
};
}
struct _NullSentinal {};

7
libcxx/include/memory
View File

@ -2131,7 +2131,9 @@ struct __compressed_pair_elem {
_LIBCPP_INLINE_VISIBILITY
constexpr explicit
__compressed_pair_elem(_Up&& __u)
: __value_(_VSTD::forward<_Up>(__u)){};
: __value_(_VSTD::forward<_Up>(__u))
{
}
template <class... _Args, size_t... _Indexes>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
@ -2168,7 +2170,8 @@ struct __compressed_pair_elem<_Tp, _Idx, true> : private _Tp {
_LIBCPP_INLINE_VISIBILITY
constexpr explicit
__compressed_pair_elem(_Up&& __u)
: __value_type(_VSTD::forward<_Up>(__u)){};
: __value_type(_VSTD::forward<_Up>(__u))
{}
template <class... _Args, size_t... _Indexes>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14

4
libcxx/include/regex
View File

@ -1352,9 +1352,9 @@ public:
virtual ~__node() {}
_LIBCPP_INLINE_VISIBILITY
virtual void __exec(__state&) const {};
virtual void __exec(__state&) const {}
_LIBCPP_INLINE_VISIBILITY
virtual void __exec_split(bool, __state&) const {};
virtual void __exec_split(bool, __state&) const {}
};
// __end_state

6
libcxx/include/utility
View File

@ -1454,7 +1454,7 @@ struct _LIBCPP_TEMPLATE_VIS hash<float>
size_t operator()(float __v) const _NOEXCEPT
{
// -0.0 and 0.0 should return same hash
if (__v == 0)
if (__v == 0.0)
return 0;
return __scalar_hash<float>::operator()(__v);
}
@ -1468,7 +1468,7 @@ struct _LIBCPP_TEMPLATE_VIS hash<double>
size_t operator()(double __v) const _NOEXCEPT
{
// -0.0 and 0.0 should return same hash
if (__v == 0)
if (__v == 0.0)
return 0;
return __scalar_hash<double>::operator()(__v);
}
@ -1482,7 +1482,7 @@ struct _LIBCPP_TEMPLATE_VIS hash<long double>
size_t operator()(long double __v) const _NOEXCEPT
{
// -0.0 and 0.0 should return same hash
if (__v == 0)
if (__v == 0.0)
return 0;
#if defined(__i386__)
// Zero out padding bits

2
libcxx/include/vector
View File

@ -2455,7 +2455,7 @@ private:
void __vdeallocate() _NOEXCEPT;
_LIBCPP_INLINE_VISIBILITY
static size_type __align_it(size_type __new_size) _NOEXCEPT
{return __new_size + (__bits_per_word-1) & ~((size_type)__bits_per_word-1);};
{return __new_size + (__bits_per_word-1) & ~((size_type)__bits_per_word-1);}
_LIBCPP_INLINE_VISIBILITY size_type __recommend(size_type __new_size) const;
_LIBCPP_INLINE_VISIBILITY void __construct_at_end(size_type __n, bool __x);
template <class _ForwardIterator>