https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96264
--- Comment #8 from seurer at gcc dot gnu.org --- Enabling -fno-forward-propagate triggers the problem. seurer@genoa:~/gcc/git/build/gcc-10-test$ whichgcc Now at commit g:a7eb97ad269b6509bd7b31ca373daea98e4d7e85, r10-135 seurer@genoa:~/gcc/git/build/gcc-10-test$ ~/gcc/git/install/gcc-10-test/bin/gcc -Os -fno-forward-propagate -fschedule-insns -fno-tree-ter t1.c -static seurer@genoa:~/gcc/git/build/gcc-10-test$ ./a.out Aborted (core dumped) seurer@genoa:~/gcc/git/build/gcc-10-test$ seurer@genoa:~/gcc/git/build/gcc-10-test$ ~/gcc/git/install/gcc-10-test/bin/gcc -Os -fschedule-insns -fno-tree-ter t1.c -static seurer@genoa:~/gcc/git/build/gcc-10-test$ ./a.out seurer@genoa:~/gcc/git/build/gcc-10-test$
