[Bug rtl-optimization/99581] New: internal compiler error: during RTL pass: final - void QTWTF::TCMalloc_PageHeap::scavengerThread()

[raj.khem at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99581

            Bug ID: 99581
           Summary: internal compiler error: during RTL pass: final - void
                    QTWTF::TCMalloc_PageHeap::scavengerThread()
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: raj.khem at gmail dot com
  Target Milestone: ---

Created attachment 50384
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50384&action=edit
testcase

when building the attached source for ppc64 target GCC is ICE'ing

$ powerpc64le-yoe-linux-musl-g++ a.cpp -O2 -c

during RTL pass: final
a.cpp: In member function 'void QTWTF::TCMalloc_PageHeap::scavengerThread()':
a.cpp:15583:1: internal compiler error: in print_operand_address, at
config/rs6000/rs6000.c:14082
15583 | }
      | ^
0x1532d58 internal_error(char const*, ...)
        ???:0
0x5e46b7 fancy_abort(char const*, int, char const*)
        ???:0
0x991823 output_address(machine_mode, rtx_def*)
        ???:0
0x991771 output_operand(rtx_def*, int)
        ???:0
0x99241c output_asm_insn(char const*, rtx_def**)
        ???:0
0x996228 final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*)
        ???:0