[Bug target/96879] New: [11 Regresssion] ICE in native_encode_rtx, at simplify-rtx.c:6482

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96879

            Bug ID: 96879
           Summary: [11 Regresssion] ICE in native_encode_rtx, at
                    simplify-rtx.c:6482
           Product: gcc
           Version: 10.0
            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: ktkachov at gcc dot gnu.org, rsandifo at gcc dot gnu.org
  Target Milestone: ---
              Host: x86_64-pc-linux-gnu
            Target: aarch64-linux-gnu

Must be a recent regression:

aarch64-linux-gnu-gcc
/home/marxin/Programming/gcc/gcc/testsuite/g++.old-deja/g++.other/crash11.C
-mabi=ilp32 -O1 -c
/home/marxin/Programming/gcc/gcc/testsuite/g++.old-deja/g++.other/crash11.C:21:30:
internal compiler error: in native_encode_rtx, at simplify-rtx.c:6482
   21 | template struct string <char>;
      |                              ^
0x67af49 native_encode_rtx(machine_mode, rtx_def*, vec<unsigned char, va_heap,
vl_ptr>&, unsigned int, unsigned int)
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/simplify-rtx.c:6482
0xf3ecea optimize_constant_pool
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/varasm.c:4324
0xf43928 output_shared_constant_pool()
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/varasm.c:4431
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