https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116860
--- Comment #4 from seurer at gcc dot gnu.org --- I should add that the other new test introduced here also fails: g:a88d6c6d777ad7c9235e2e620318f26e5347e50a, r15-3866-ga88d6c6d777ad7 make -k check-gcc RUNTESTFLAGS="tree-ssa.exp=gcc.dg/tree-ssa/fold-xor-or.c" FAIL: gcc.dg/tree-ssa/fold-xor-or.c scan-tree-dump-not optimized "d1_[0-9]+.D. \\^ d2_[0-9]+.D."