http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53265
--- Comment #22 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-03-12 21:47:38 UTC --- Short C testcase reproducing the exp_ch7.adb issue (for -O2): void bar (int); __attribute__((noinline)) static int foo (int x) { int i = 1; if (x > 1) do bar (i); while (++i != x); } void baz (void) { foo (1); foo (1); foo (1); }