https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77920
Bug ID: 77920 Summary: [7 Regression] 186.crafty doesn't compile Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: trippels at gcc dot gnu.org Target Milestone: --- markus@x4 crafty % cat crafty.i int a, b; void fn1() { int c; for (; b < 0;) { { int d = 56, e = (b >> 3) - (d >> 3) > 0 ? (b >> 3) - (d >> 3) : -((b >> 3) - (d >> 3)); c = 1 >= e; } if (c) a = 0; } } markus@x4 crafty % /var/tmp/gcc_test/usr/local/bin/gcc -O2 -c crafty.i crafty.i: In function ‘fn1’: crafty.i:2:6: error: use operand missing for stmt void fn1() { ^~~ _2 e_7 = 7 - _2; crafty.i:2:6: internal compiler error: verify_ssa failed 0xd7f431 verify_ssa(bool, bool) ../../gcc/gcc/tree-ssa.c:1158 0xa97189 execute_function_todo ../../gcc/gcc/passes.c:1971 0xa980fc execute_todo ../../gcc/gcc/passes.c:2014