The following valid code snippet triggers an ICE since GCC 4.0.0:

============================================
typedef int x[] __attribute((may_alias));
============================================

bug.c:1: internal compiler error: Segmentation fault
Please submit a full bug report, [etc.]

The crash happens with the C and C++ frontend.


-- 
           Summary: [4.1/4.2/4.3 regression] ICE with attribute for array
                    with unknown bound
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code, monitored
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: reichelt at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34993

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