[Bug target/118131] New: [15 regression] ICE in gcc.c-torture/execute/loop-13.c after g:4f4e13dd235bba9c706948a3ecb3e530dd68aad1

[clyon at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118131

            Bug ID: 118131
           Summary: [15 regression] ICE in gcc.c-torture/execute/loop-13.c
                    after g:4f4e13dd235bba9c706948a3ecb3e530dd68aad1
           Product: gcc
           Version: 15.0
               URL: https://linaro.atlassian.net/browse/GNU-1467
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: clyon at gcc dot gnu.org
          Reporter: clyon at gcc dot gnu.org
  Target Milestone: ---
            Target: arm

As reported by Linaro CI in https://linaro.atlassian.net/browse/GNU-1467
There is an ICE after r15-6245-g4f4e13dd235b:
FAIL: gcc.c-torture/execute/loop-13.c -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions  (internal compiler error: in
arm_attr_length_move_neon, at config/arm/arm.cc:20909)


/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/snapshots/gcc.git~master/gcc/testsuite/gcc.c-torture/execute/loop-13.c:
In function 'scale':
/home/tcwg-buildslave/workspace/tcwg_gnu_0/abe/snapshots/gcc.git~master/gcc/testsuite/gcc.c-torture/execute/loop-13.c:19:1:
internal compiler error: in arm_attr_length_move_neon, at
config/arm/arm.cc:20909
0x205da46 internal_error(char const*, ...)
        ../../../../../../gcc/gcc/diagnostic-global-context.cc:517
0x8f5026 fancy_abort(char const*, int, char const*)
        ../../../../../../gcc/gcc/diagnostic.cc:1704
0x8294b9 arm_attr_length_move_neon(rtx_insn*)
        ../../../../../../gcc/gcc/config/arm/arm.cc:20909
0xbfef44 get_attr_length_1
        ../../../../../../gcc/gcc/final.cc:380
0xfebd1f can_dup_for_shrink_wrapping
        ../../../../../../gcc/gcc/shrink-wrap.cc:535
0xfebd1f try_shrink_wrapping(edge_def**, rtx_insn*)
        ../../../../../../gcc/gcc/shrink-wrap.cc:804
0xc5e850 thread_prologue_and_epilogue_insns()
        ../../../../../../gcc/gcc/function.cc:6116
0xc5f076 rest_of_handle_thread_prologue_and_epilogue
        ../../../../../../gcc/gcc/function.cc:6627
0xc5f076 execute
        ../../../../../../gcc/gcc/function.cc:6713
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compiler exited with status 1
output is:
during RTL pass: pro_and_epilogue