[Bug rtl-optimization/108263] New: [13 Regression] ICE building Linux kernel on ppc64le

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108263

            Bug ID: 108263
           Summary: [13 Regression] ICE building Linux kernel on ppc64le
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: jakub at gcc dot gnu.org
  Target Milestone: ---

int v, *p;

void
foo (void)
{
  int i;
  for (i = 0;; i++)
    {
      if (v)
        {
          __label__ l1;
          asm goto ("" : : : : l1);
        l1:
          return;
        }
      if (p[i])
        break;
    }
  asm goto ("" : : "r" (i) : : l2);
l2:
}

ICEs with -O2 on powerpc64le-linux:
kernel-ice.i: In function ‘foo’:
kernel-ice.i:21:1: error: in basic block 9:
   21 | }
      | ^
kernel-ice.i:21:1: error: flow control insn inside a basic block
(jump_insn 84 3 87 9 (parallel [
            (asm_operands/v ("") ("") 0 [
                    (reg/v:SI 10 10 [orig:120 i ] [120])
                ]
                 [
                    (asm_input:SI ("r") kernel-ice.i:19)
                ]
                 [
                    (label_ref:DI 42)
                ] kernel-ice.i:19)
            (clobber (reg:SI 98 ca))
        ]) "kernel-ice.i":19:3 -1
     (expr_list:REG_DEAD (reg/v:SI 10 10 [orig:120 i ] [120])
        (expr_list:REG_UNUSED (reg:SI 98 ca)
            (nil)))
 -> 42)
during RTL pass: bbro
kernel-ice.i:21:1: internal compiler error: in rtl_verify_bb_insns, at
cfgrtl.cc:2797