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Disable -Wnoexcept-type due to false positives with GCC.

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GCC triggers false positives if a nothrow function is called through a template argument. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80985 for details. The LLVM libraries have no stable C++ API, so the warning is not useful.

llvm-svn: 341361
This commit is contained in:
Aaron Ballman 2018-09-04 12:03:49 +00:00
parent d88f915c84
commit a55f327dae
1 changed files with 4 additions and 0 deletions
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4
cmake/modules/HandleLLVMOptions.cmake
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@ -585,6 +585,10 @@ if (LLVM_ENABLE_WARNINGS AND (LLVM_COMPILER_IS_GCC_COMPATIBLE OR CLANG_CL))
check_cxx_compiler_flag("-Wclass-memaccess" CXX_SUPPORTS_CLASS_MEMACCESS_FLAG)
append_if(CXX_SUPPORTS_CLASS_MEMACCESS_FLAG "-Wno-class-memaccess" CMAKE_CXX_FLAGS)
# The LLVM libraries have no stable C++ API, so -Wnoexcept-type is not useful.
check_cxx_compiler_flag("-Wnoexcept-type" CXX_SUPPORTS_NOEXCEPT_TYPE_FLAG)
append_if(CXX_SUPPORTS_NOEXCEPT_TYPE_FLAG "-Wno-noexcept-type" CMAKE_CXX_FLAGS)
# Check if -Wnon-virtual-dtor warns even though the class is marked final.
# If it does, don't add it. So it won't be added on clang 3.4 and older.
# This also catches cases when -Wnon-virtual-dtor isn't supported by