Those seem like potential bugs in GCC/Clang - that doesn't say whether GCC compiled with GCC or Clang compiled with Clang would produce the same warnings. Does

Those seem like potential bugs in GCC/Clang - that doesn't say whether GCC compiled with GCC or Clang compiled with Clang would produce the same warnings. Does GCC compile cleanly with gcc -Wall -Wextra -Werror?