[Bug tree-optimization/95581] New: [11 Regression] ICE in gimple_call_arg, at gimple.h:3260 since r11-959-gb825a22890740f341eae566af27e18e528cd29a7

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95581

            Bug ID: 95581
           Summary: [11 Regression] ICE in gimple_call_arg, at
                    gimple.h:3260 since
                    r11-959-gb825a22890740f341eae566af27e18e528cd29a7
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: msebor at gcc dot gnu.org
  Target Milestone: ---
              Host: x86_64-linux-gnu
            Target: ppc64le-linux-gnu

Since the revision I see:

$ ./xgcc -B.
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/pr34458.c
-ftree-loop-vectorize -mno-allow-movmisalign -Wextra -O1 -mpower8-vector -S
during GIMPLE pass: uninit
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/pr34458.c: In
function ‘lint_operate’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/pr34458.c:9:6:
internal compiler error: in gimple_call_arg, at gimple.h:3260
    9 | Lint lint_operate (Lint a, long long ammount)
      |      ^~~~~~~~~~~~
0x147f267 gimple_call_arg
        /home/marxin/Programming/gcc2/gcc/gimple.h:3260
0x147f2bd gimple_call_arg
        /home/marxin/Programming/gcc2/gcc/gimple.h:3268
0x1481038 maybe_warn_pass_by_reference
        /home/marxin/Programming/gcc2/gcc/tree-ssa-uninit.c:517
0x14816ad warn_uninitialized_vars
        /home/marxin/Programming/gcc2/gcc/tree-ssa-uninit.c:631
0x14863a3 execute
        /home/marxin/Programming/gcc2/gcc/tree-ssa-uninit.c:2936
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