[Bug tree-optimization/91280] New: [8/9/10 Regression] ICE in get_constraint_for_component_ref, at tree-ssa-structalias.c:3259 since r260354

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91280

            Bug ID: 91280
           Summary: [8/9/10 Regression] ICE in
                    get_constraint_for_component_ref, at
                    tree-ssa-structalias.c:3259 since r260354
           Product: gcc
           Version: 9.0
            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: ---

Created attachment 46632
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46632&action=edit
test-case

Following test-case causes ICE:

$ gcc-9 -O2 batch.ii -c
batch.ii: In lambda function:
batch.ii:246:54: warning: no return statement in function returning non-void
[-Wreturn-type]
  246 | I registrar__body__1__object([](int *) -> A * { K(); });
      |                                                      ^
during GIMPLE pass: alias
batch.ii: In constructor ‘K::K()’:
batch.ii:233:3: internal compiler error: in get_constraint_for_component_ref,
at tree-ssa-structalias.c:3259
  233 |   K() : A(&BatchMatMul_context) {
      |   ^
0x7f34ecbccbca __libc_start_main
        ../csu/libc-start.c:308
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