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libs/libcxx: Workaround -Wmaybe-uninitialized warning with "GCC 12.2" 

Signed-off-by: chao an <anchao@xiaomi.com>
This commit is contained in:
chao an 2023-02-20 18:21:25 +08:00 committed by Xiang Xiao
parent 809252e3fd
commit e29d275ef8
1 changed files with 15 additions and 0 deletions
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15
libs/libxx/libcxx.defs
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@ -71,6 +71,21 @@ libcxx/src/locale.cpp_CXXFLAGS += -Wno-shadow
libcxx/src/filesystem/directory_iterator.cpp_CXXFLAGS += -Wno-shadow
libcxx/src/filesystem/operations.cpp_CXXFLAGS += -Wno-shadow
# Workaround the following warning with "GCC 12.2"
#
# ...
# include/libcxx/string:2156:35: warning: '__temp' may be used uninitialized [-Wmaybe-uninitialized]
# 2156 | this->__throw_length_error();
# | ~~~~~~~~~~~~~~~~~~~~~~~~~~^~
# include/libcxx/string:614:1: note: by argument 1 of type 'const std::__1::__basic_string_common<true>*' to 'void std::__1::__basic_string_common<<anonymous> >::__throw_length_error() const [with bool <anonymous> = true]' declared here
# 614 | __basic_string_common<__b>::__throw_length_error() const
# | ^~~~~~~~~~~~~~~~~~~~~~~~~~
# include/libcxx/string:2676:32: note: '__temp' declared here
# 2676 | const basic_string __temp (__first, __last, __alloc());
# | ^~~~~~
libcxx/src/filesystem/operations.cpp_CXXFLAGS += -Wno-maybe-uninitialized
CPPSRCS += $(notdir $(wildcard libcxx/src/*.cpp))
CPPSRCS += $(notdir $(wildcard libcxx/src/experimental/*.cpp))
CPPSRCS += $(notdir $(wildcard libcxx/src/filesystem/*.cpp))