[Bug tree-optimization/126404] New: [16/17 Regression] ICE at -O2/3 on aarch64 during GIMPLE pass: vect

[xxs_chy at outlook dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126404

            Bug ID: 126404
           Summary: [16/17 Regression] ICE at -O2/3 on aarch64 during
                    GIMPLE pass: vect
           Product: gcc
           Version: 17.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: xxs_chy at outlook dot com
  Target Milestone: ---
            Target: aarch64

Reproducer: https://godbolt.org/z/K7oP4M99P
Testcase:
#include <stdint.h>
int16_t g7, g15;
void f13f14()
{
    int32_t v3;
    _Bool ob13;
    int16_t ov14;
    v3 = 6;
lbl_br1:
    ob13 = __builtin_add_overflow(2, g7, &ov14);
    g7 = 0;
    v3 = __builtin_ctz(v3);
    if (ob13) goto lbl_br1;
    g15 = __builtin_clz(v3);
}

Dump in compiler explorer:
during GIMPLE pass: vect
<source>: In function 'f13f14':
<source>:3:6: internal compiler error: Segmentation fault
    3 | void f13f14()
      |      ^~~~~~