[Bug target/93341] New: [10 Regression] ICE in aarch64_do_track_speculation, at config/aarch64/aarch64-speculation.cc:221

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93341

            Bug ID: 93341
           Summary: [10 Regression] ICE in aarch64_do_track_speculation,
                    at config/aarch64/aarch64-speculation.cc:221
           Product: gcc
           Version: 9.0
            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
  Target Milestone: ---
              Host: x86_64-pc-linux-gnu
            Target: aarch64-linux-gnu

I see the following ICE:

$ aarch64-linux-gnu-gcc
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/pr28900.c
-mtrack-speculation
during RTL pass: speculation
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/pr28900.c: In
function ‘synths_’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/pr28900.c:14:1:
internal compiler error: in aarch64_do_track_speculation, at
config/aarch64/aarch64-speculation.cc:221
   14 | }
      | ^
0x65079b aarch64_do_track_speculation()
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/config/aarch64/aarch64-speculation.cc:221
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.