https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98692
Segher Boessenkool <segher at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |acsawdey at gcc dot gnu.org --- Comment #5 from Segher Boessenkool <segher at gcc dot gnu.org> --- Have you tried a new valgrind? Either this is (or was) a known problem in valgrind, or it is related to one. Cc:ing Aaron, he might know more (he wrote the GCC optimisations that expose the problem).