https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55004 Bug 55004 depends on bug 68206, which changed state.
Bug 68206 Summary: ICE: unimplemented: unexpected AST of kind loop_expr in potential_constant_expression_1 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68206 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED