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[Bug sanitizer/82484] New: [8 Regression] ICe in verify_gimple failed w/ -fsanitize=address


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82484

            Bug ID: 82484
           Summary: [8 Regression] ICe in verify_gimple failed w/
                    -fsanitize=address
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: sanitizer
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
                    jakub at gcc dot gnu.org, kcc at gcc dot gnu.org, marxin at gcc dot gnu.org
  Target Milestone: ---

This one is mine, started with r249903:

$ cat c11-atomic-1.c
void a (_Atomic volatile int b) { b; }

$ gcc c11-atomic-1.c -c -fsanitize=address
c11-atomic-1.c: In function ‘a’:
c11-atomic-1.c:1:6: error: invalid rhs for gimple memory store
 void a (_Atomic volatile int b) { b; }
      ^
b

b

# .MEM_32 = VDEF <.MEM_3(D)>
b ={v} b;
during GIMPLE pass: sanopt
c11-atomic-1.c:1:6: internal compiler error: verify_gimple failed
0xc1f7a5 verify_gimple_in_cfg(function*, bool)
        ../../gcc/tree-cfg.c:5397
0xaeaaf6 execute_function_todo
        ../../gcc/passes.c:1992
0xaebb72 execute_todo
        ../../gcc/passes.c:2046

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