[PATCH 2/2] [gdb/build] Fix Wimplicit-exception-spec-mismatch in clang build

[Pedro Alves]

On 2021-11-10 13:29, Tom de Vries via Gdb-patches wrote:
> When building with clang 13 (and -std=gnu++17 to work around an issue in
> string_view-selftests.c), we run into a few Wimplicit-exception-spec-mismatch
> warnings:
> ...
> src/gdbsupport/new-op.cc:102:1: error: function previously declared with an \
>   explicit exception specification redeclared with an implicit exception \
>   specification [-Werror,-Wimplicit-exception-spec-mismatch]
> operator delete (void *p)
> ^
> /usr/include/c++/11/new:130:6: note: previous declaration is here
> void operator delete(void*) _GLIBCXX_USE_NOEXCEPT
>      ^
> ...
> 
> These are due to recent commit 5fff6115fea "Fix
> LD_PRELOAD=/usr/lib64/libasan.so.6 gdb".
> 
> Fix this by adding the missing noexcept.
> 
> Build on x86_64-linux, using gcc 7.5.0 and clang 13.0.0.

OK.