https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63551
--- Comment #12 from Martin Jambor <jamborm at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #11) > The gcc.dg/ipa/pr63551.c test fails on the 4.9 branch on 32-bit > targets (i386, arm, s390): > gcc.dg/ipa/pr63551.c:24:9: warning: this decimal constant is unsigned only > in ISO C90 > Seems the test is equally miscompiled before r218205 and works after > the fix if 4294967286 is replaced with 4294967286U . Are you ok > with that change? Of course. Are you going to commit it? If you want me to commit it, I can certainly do it too, just let me know.