https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82096
--- Comment #4 from sudi at gcc dot gnu.org --- I can see this failing with: $./arm-none-linux-gnueabi-gcc ./src/gcc/gcc/testsuite/gcc.dg/di-longlong64-sync-1.c -mthumb -march=armv5t -O[g,1,2,3] and $./arm-none-linux-gnueabi-gcc ./src/gcc/gcc/testsuite/gcc.dg/di-longlong64-sync-1.c -mthumb -march=armv6 -O[g,1,2,3]