https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81693
--- Comment #20 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Dominique d'Humieres from comment #19) > > Do you know why it fails in 32-bit mode? > > Nope! Are you sure that %esp is the stack in 32 bit mode? Yes, %esp is correct for 32-bit mode. Please compile gcc.dg/torture/pr25967-1.c with -g and run it under debugger.