https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68898
--- Comment #1 from Yuri Rumyantsev <ysrumyan at gmail dot com> --- Created attachment 37028 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37028&action=edit test-case to reproduce Need to compile with -O2 -m32 -ffast-math options to reproduce. Note that 32-bit and -ffast-math flags are essential.