[libcxx] r299385 - suppress GCC warning about noexcept functions changing mangling

[Richard Smith via cfe-commits]

On 3 April 2017 at 13:53, Eric Fiselier via cfe-commits <
cfe-commits at lists.llvm.org> wrote:

> Author: ericwf
> Date: Mon Apr  3 15:53:15 2017
> New Revision: 299385
>
> URL: http://llvm.org/viewvc/llvm-project?rev=299385&view=rev
> Log:
> suppress GCC warning about noexcept functions changing mangling
>

Clang also has such a warning; can you give an example of a case that GCC
warns on and Clang does not?

Modified:
>     libcxx/trunk/CMakeLists.txt
>     libcxx/trunk/utils/libcxx/test/config.py
>
> Modified: libcxx/trunk/CMakeLists.txt
> URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/
> CMakeLists.txt?rev=299385&r1=299384&r2=299385&view=diff
> ============================================================
> ==================
> --- libcxx/trunk/CMakeLists.txt (original)
> +++ libcxx/trunk/CMakeLists.txt Mon Apr  3 15:53:15 2017
> @@ -466,7 +466,8 @@ if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "
>  elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
>      add_compile_flags_if_supported(
>          -Wno-literal-suffix
> -        -Wno-c++14-compat)
> +        -Wno-c++14-compat
> +        -Wno-noexcept-type)
>  endif()
>  if (LIBCXX_ENABLE_WERROR)
>    add_compile_flags_if_supported(-Werror)
>
> Modified: libcxx/trunk/utils/libcxx/test/config.py
> URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/utils/
> libcxx/test/config.py?rev=299385&r1=299384&r2=299385&view=diff
> ============================================================
> ==================
> --- libcxx/trunk/utils/libcxx/test/config.py (original)
> +++ libcxx/trunk/utils/libcxx/test/config.py Mon Apr  3 15:53:15 2017
> @@ -813,6 +813,7 @@ class Configuration(object):
>          self.cxx.addWarningFlagIfSupported('-Wno-pessimizing-move')
>          self.cxx.addWarningFlagIfSupported('-Wno-c++11-extensions')
>          self.cxx.addWarningFlagIfSupported('-Wno-user-defined-literals')
> +        self.cxx.addWarningFlagIfSupported('-Wno-noexcept-type')
>          # These warnings should be enabled in order to support the MSVC
>          # team using the test suite; They enable the warnings below and
>          # expect the test suite to be clean.
>
>
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