With -ansi -pedantic-errors, GCC fails to reject the following assignment. struct foo s; volatile struct foo t; struct foo { const int z; };
void bar (void) { t = s; } GCC is tricked by the delayed completion of a qualified form of the type. -- Summary: Failure to diagnose violation of constraint 6.516p2 Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: neil at gcc dot gnu dot org CC: gcc-bugs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22308