https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94004
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> --- (In reply to Martin Sebor from comment #2) > Bisection points to r254630 which doesn't look related to -Walloca: It is related, in particular the https://gcc.gnu.org/viewcvs/gcc/trunk/gcc/gimple.c?limit_changes=0&r1=254630&r2=254629&pathrev=254630 hunk. * gimple.c (gimple_build_call_from_tree): Set call location. which sets the location on the __builtin_alloca call newly to one with sysp = true flag.