The following invalid code snippet triggers an ICE on mainline:
===========================================================
template<typename=int struct A __attribute((aligned(4)));
===========================================================
bug.cc:1: error: two or more data types in declaration of 'type name'
bug.cc:1: internal compiler error: tree check: expected class 'type', have
'exceptional' (error_mark) in groktypename, at cp/decl.c:3916
Please submit a full bug report, [etc.]
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Summary: [4.3 regression] ICE with attribute in broken class
declaration
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Keywords: ice-on-invalid-code, error-recovery, 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=35077
