[Bug target/103686] New: ICE in rs6000_expand_new_builtin at rs6000-call.c:15946

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103686

            Bug ID: 103686
           Summary: ICE in rs6000_expand_new_builtin at
                    rs6000-call.c:15946
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Keywords: ice-on-invalid-code
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
  Target Milestone: ---
              Host: x86_64-linux-gnu
            Target: ppc64-linux-gnu

The following crashes:

$ ppc64-linux-gnu-gcc
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/powerpc/pr102347.c -c
-mno-fold-gimple
gimple folding of rs6000 builtins has been disabled.
gimple folding of rs6000 builtins has been disabled.
gimple folding of rs6000 builtins has been disabled.
gimple folding of rs6000 builtins has been disabled.
gimple folding of rs6000 builtins has been disabled.
gimple folding of rs6000 builtins has been disabled.
gimple folding of rs6000 builtins has been disabled.
during RTL pass: expand
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/powerpc/pr102347.c: In
function ‘main’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/powerpc/pr102347.c:13:3:
internal compiler error: Segmentation fault
   13 |   __builtin_mma_disassemble_acc (b, &c);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0xb6e79f crash_signal
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64/build/gcc/toplev.c:322
0x7ffff787d42f ???
       
/usr/src/debug/glibc-2.34-4.1.x86_64/signal/../sysdeps/unix/sysv/linux/x86_64/libc_sigaction.c:0