https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66472
--- Comment #3 from Marc Glisse <glisse at gcc dot gnu.org> --- (In reply to Gael Guennebaud from comment #0) > As suggested there https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57709#c16, I > tried to break at the call to warning_at to give you more input, but with no > luck, as if warning_at was not called at all. (I also tried to break at any > *warning* symbol with same result). I compile with g++ -wrapper gdb,--args ... where this gcc was compile with -O0 -g. Breaking on warning_at shows that member is a using_decl.
