[Bug target/97269] New: [11 Regression] ICE in change_address_1, at emit-rtl.c:2275 since r11-3427-ge94797250b403d66cb3624a594e41faf0dd76617

[marxin at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97269

            Bug ID: 97269
           Summary: [11 Regression] ICE in change_address_1, at
                    emit-rtl.c:2275 since
                    r11-3427-ge94797250b403d66cb3624a594e41faf0dd76617
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: richard.sandiford at arm dot com
  Target Milestone: ---
              Host: x86_64-linux
            Target: arm-linux-gnueabihf

The following fails:

$ ./xgcc -B. /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/20050309-1.c
-fstack-protector -mcpu=cortex-m7 -mpure-code -c
during RTL pass: mach
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/20050309-1.c: In function
‘test’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/20050309-1.c:41:1: internal
compiler error: in change_address_1, at emit-rtl.c:2275
   41 | }
      | ^
0xcc01cd change_address_1
        /home/marxin/Programming/gcc2/gcc/emit-rtl.c:2275
0xcc11be replace_equiv_address(rtx_def*, rtx_def*, bool)
        /home/marxin/Programming/gcc2/gcc/emit-rtl.c:2545
0xce498c validize_mem(rtx_def*)
        /home/marxin/Programming/gcc2/gcc/explow.c:531
0xd1273b emit_move_insn(rtx_def*, rtx_def*)
        /home/marxin/Programming/gcc2/gcc/expr.c:3931
0x1c3d582 gen_split_74(rtx_insn*, rtx_def**)
        /home/marxin/Programming/gcc2/gcc/config/arm/arm.md:9216
0x1e49f3b split_insns(rtx_def*, rtx_insn*)
        /home/marxin/Programming/gcc2/gcc/config/arm/arm.md:9192
0xcc3c4d try_split(rtx_def*, rtx_insn*, int)
        /home/marxin/Programming/gcc2/gcc/emit-rtl.c:3834
0x110b3c4 split_insn
        /home/marxin/Programming/gcc2/gcc/recog.c:2884
0x110b82d split_all_insns_noflow()
        /home/marxin/Programming/gcc2/gcc/recog.c:3046
0x16ca01b arm_reorg
        /home/marxin/Programming/gcc2/gcc/config/arm/arm.c:19143
0x11599c0 execute
        /home/marxin/Programming/gcc2/gcc/reorg.c:4028
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