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From: "gscfq@t-online.de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/107305] New: ICE: 'verify_gimple' failed
Date: Tue, 18 Oct 2022 17:41:08 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107305

            Bug ID: 107305
           Summary: ICE: 'verify_gimple' failed
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Started with r7 :


$ cat z1.c
unsigned a;
static double *d;
static _Bool b;
__GIMPLE int
foo (int n)
{
  b =3D __builtin_add_overflow (n, *d, &a);
}


$ gcc-13-20221016 -c z1.c -fgimple
z1.c: In function 'foo':
z1.c:5:1: error: invalid argument to gimple call
    5 | foo (int n)
      | ^~~
*d
b =3D __builtin_add_overflow (n, *d, &a);
during GIMPLE pass: *warn_unused_result
z1.c:5:1: internal compiler error: 'verify_gimple' failed
0xf2c76d verify_gimple_in_seq(gimple*)
        ../../gcc/tree-cfg.cc:5301
0xdce2ca execute_function_todo
        ../../gcc/passes.cc:2093
0xdcebf2 execute_todo
        ../../gcc/passes.cc:2145=