https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71158
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |msebor at gcc dot gnu.org --- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> --- That is a C++ FE bug. If it really wants to support initializing of VLAs (C rejects this), it should do it correctly. Here it creates a STRING_CST with a VLA type, which during expansion is pushed into constant pool. But, ASAN rightly assumes that constant pool objects have constant sizes.