[Bug sanitizer/117732] [14/15 Regression] libsanitizer contains anonymous structs but built with -pedantic

[xry111 at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117732

--- Comment #8 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
And there are some different -Wpedantic warnings in 13.2.0
(https://www.linuxfromscratch.org/lfs/build-logs/12.1/i9-13900K/logs/826-gcc-13.2.0):

../../../../libsanitizer/sanitizer_common/sanitizer_stack_store.cpp:246:6:
warning: ISO C++ forbids flexible array member 'data' [-Wpedantic]
  246 |   u8 data[];
      |      ^~~~

../../../../libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc: In
function 'void* __interceptor_dlopen(const char*, int)':
../../../../libsanitizer/asan/asan_interceptors.cpp:134:5: warning: ISO C++
forbids braced-groups within expressions [-Wpedantic]
  134 |     ({                                              \
      |     ^
../../../../libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:6561:15:
note: in expansion of macro 'COMMON_INTERCEPTOR_DLOPEN'
 6561 |   void *res = COMMON_INTERCEPTOR_DLOPEN(filename, flag);
      |               ^~~~~~~~~~~~~~~~~~~~~~~~~