http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47250
Summary: ICE: in add_substitution, at cp/mangle.c:393 with -fabi-version=5 -g Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassig...@gcc.gnu.org ReportedBy: zso...@seznam.cz --------- testcase.C -------- template < typename _Tp > class reference_wrapper { operator _Tp & (); }; reference_wrapper < int (...) const > i02; ----------------------------- reduced from libstdc++-v3/testsuite/20_util/reference_wrapper/result_type.cc Compiler output: $ gcc -fabi-version=5 -g testcase.C testcase.C: In instantiation of 'reference_wrapper<_Tp>::operator _Tp&() [with _Tp = int(...)__attribute__((const))]': testcase.C:6:42: instantiated from here testcase.C:3:3: internal compiler error: in add_substitution, at cp/mangle.c:393 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. Tested revisions: r168632 - crash 4.5 r168062 - OK (I think it doesn't support this ABI version)