[Bug c++/51228] New: [4.5/4.6/4.7 Regression] ICE with transparent union

[reichelt at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51228

             Bug #: 51228
           Summary: [4.5/4.6/4.7 Regression] ICE with transparent union
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: reichelt@gcc.gnu.org


The following code snippet triggers an ICE since GCC 4.5.0:

==========================================================
typedef union {} U __attribute__((transparent_union));

void foo(U u) {}
==========================================================

bug.cc: In function 'void foo(U)':
bug.cc:3:6: internal compiler error: Segmentation fault
Please submit a full bug report, [etc.]