https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107407
Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Component|c |tree-optimization Last reconfirmed| |2022-10-26 Target Milestone|--- |13.0 Ever confirmed|0 |1 CC| |marxin at gcc dot gnu.org, | |rguenth at gcc dot gnu.org Summary|Wrong code at -Os on |[12/13 Regression] Wrong |x86_64-linux-gnu |code at -Os on | |x86_64-linux-gnu since | |r12-383-g32955416d8040b1f --- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> --- A bit reduced, started with r12-383-g32955416d8040b1f int *a; static int **b = &a; int c[4]; int d; int e(int); static int f(char, int); void g() { e((f(0, 0), 0)); } int e(int h) { *a = 0; } int f(char k, int j) { for (;;) { for (; k <= 3; k++) { *b = &c[k]; for (; d <= 1; d++) *a = 3; } break; } } int main() { int i; g(); if (c[0] != 3) __builtin_abort (); }