http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51216
Bug #: 51216 Summary: [4.6/4.7 Regression] ICE with statement expression Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassig...@gcc.gnu.org ReportedBy: reich...@gcc.gnu.org The following code snippet triggers an ICE since GCC 4.6.0 when compiled with "-std=c++0x": ========================== void foo() { int i = ({ if (1) ; }); } ========================== bug.cc: In function 'void foo()': bug.cc:3:24: sorry, unimplemented: unexpected AST of kind if_stmt bug.cc:3:24: internal compiler error: in potential_constant_expression_1, at cp/semantics.c:8426 Please submit a full bug report, [etc.]