diff options
| -rw-r--r-- | gcc/cp/parser.cc | 2 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/cpp2a/concepts-requires38.C | 14 |
2 files changed, 16 insertions, 0 deletions
diff --git a/gcc/cp/parser.cc b/gcc/cp/parser.cc index 598380d..6b786ed 100644 --- a/gcc/cp/parser.cc +++ b/gcc/cp/parser.cc @@ -31225,6 +31225,8 @@ cp_parser_constraint_primary_expression (cp_parser *parser, bool lambda_p) } if (pce == pce_ok) { + if (idk == CP_ID_KIND_UNQUALIFIED && identifier_p (expr)) + expr = unqualified_name_lookup_error (expr); cp_lexer_commit_tokens (parser->lexer); return finish_constraint_primary_expr (expr); } diff --git a/gcc/testsuite/g++.dg/cpp2a/concepts-requires38.C b/gcc/testsuite/g++.dg/cpp2a/concepts-requires38.C new file mode 100644 index 0000000..663195b --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp2a/concepts-requires38.C @@ -0,0 +1,14 @@ +// PR c++/99678 +// { dg-do compile { target c++20 } } + +template<class T> +void f1() requires undeclared_identifier; // { dg-error "not declared" } + +template<class T> +void f2() requires true && undeclared_identifier; // { dg-error "not declared" } + +template<class T> +void f3() requires false || undeclared_identifier; // { dg-error "not declared" } + +template<class T> +void f4() requires undeclared_identifier(T{}); // { dg-error "must be enclosed in parentheses" } |