https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114659
--- Comment #3 from Bruno Haible <bruno at clisp dot org> --- Also reproducible in 64-bit mode, with '-mfpmath=387': $ gcc -mfpmath=387 -Wall tf.c $ ./a.out ; echo $? 0 $ gcc -mfpmath=387 -Wall -O2 tf.c $ ./a.out ; echo $? 1 $ gcc -mfpmath=387 -Wall td.c $ ./a.out ; echo $? 0 $ gcc -mfpmath=387 -Wall -O2 td.c $ ./a.out ; echo $? 1
