Mainline crashes on the following invalid code snippet: ============================= int A; template<int> struct A; =============================
bug.cc:6: error: 'template<int <anonymous> > struct A' redeclared as different kind of symbol bug.cc:5: error: previous declaration of 'int A' bug.cc:6: internal compiler error: tree check: expected class 'declaration', have 'exceptional' (error_mark) in push_template_decl_real, at cp/pt.c:3152 Please submit a full bug report, [etc.] The release branches are not affected. According to Phils's regression hunter the regression was introduced in February: : Search converges between 2004-02-01-trunk (#445) and 2004-03-01-trunk (#446). -- Summary: [4.0 regression] ICE on invalid redeclaration Product: gcc Version: 4.0.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code, error-recovery, monitored Severity: minor Priority: P2 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: reichelt at gcc dot gnu dot org CC: gcc-bugs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18652