[Bug tree-optimization/106253] New: [13 Regression] ICE in vect_transform_loops, at tree-vectorizer.cc:1032x

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106253

            Bug ID: 106253
           Summary: [13 Regression] ICE in vect_transform_loops, at
                    tree-vectorizer.cc:1032x
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: rguenth at gcc dot gnu.org
  Target Milestone: ---
              Host: x86_64-linux-gnu
            Target: aarch64-linux-gnu

Created attachment 53286
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53286&action=edit
Reduced test-case

The following crashes (reduced from polyhedron/rnflow):

$ aarch64-linux-gnu-gcc rnflow.f90 -O3 -c
during GIMPLE pass: vect
rnflow.f90:33:24:

   33 |       end program rnflow
      |                        ^
internal compiler error: in vect_transform_loops, at tree-vectorizer.cc:1032
0x7028cc vect_transform_loops
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/tree-vectorizer.cc:1032
0xf9e433 try_vectorize_loop_1
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/tree-vectorizer.cc:1153
0xf9e433 try_vectorize_loop
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/tree-vectorizer.cc:1183
0xf9e964 execute
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/tree-vectorizer.cc:1299
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