https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64172
Siarhei Siamashka <siarhei.siamashka at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |siarhei.siamashka at gmail dot com --- Comment #1 from Siarhei Siamashka <siarhei.siamashka at gmail dot com> --- Created attachment 34183 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34183&action=edit partially reduced testcase GCC 4.9.2 == Fails: == $ arm-none-linux-gnueabi-gcc -O2 preliminary-testcase-pr64172.c && ./a.out a.out: preliminary-testcase-pr64172.c:91: main: Assertion `prng_state.d[3] == 0xA7223834' failed. == Works: == $ arm-none-linux-gnueabi-gcc -O1 preliminary-testcase-pr64172.c && ./a.out $ arm-none-linux-gnueabi-gcc -O2 -mfpu=neon preliminary-testcase-pr64172.c && ./a.out