@@ -5757,12 +5757,12 @@ c_parser_for_statement (c_parser *parser, bool ivdep)
{
c_token *token = c_parser_peek_token (parser);
tree decl = lookup_name (token->value);
- if (decl == NULL_TREE)
- ;
+ if (decl == NULL_TREE || VAR_P (decl))
+ /* If DECL is null, we don't know what this token might be. Treat
+ it as an ID for better diagnostics; we'll error later on. */
+ token->id_kind = C_ID_ID;
else if (TREE_CODE (decl) == TYPE_DECL)
token->id_kind = C_ID_TYPENAME;
- else if (VAR_P (decl))
- token->id_kind = C_ID_ID;
}
token_indent_info next_tinfo
@@ -0,0 +1,67 @@
+/* PR c/68320 */
+/* { dg-do compile } */
+/* { dg-options "" } */
+
+void
+fn1 (void)
+{
+ for (typedef int T;;) /* { dg-error "declaration of non-variable" } */
+ if (1)
+ ;
+ T x; /* { dg-error "unknown type name" } */
+}
+
+void
+fn2 (int i)
+{
+ for (typedef int T;;) /* { dg-error "declaration of non-variable" } */
+ if (1)
+ i = 5;
+ T x; /* { dg-error "unknown type name" } */
+}
+
+void
+fn3 (void)
+{
+ for (typedef int T;;) /* { dg-error "declaration of non-variable" } */
+ if (1)
+ {
+ }
+ T *x; /* { dg-error "unknown type name" } */
+}
+
+void
+fn4 (void)
+{
+ for (typedef int T;;) /* { dg-error "declaration of non-variable" } */
+ if (1)
+ ;
+ T, T; /* { dg-error "undeclared" } */
+}
+
+void
+fn5 (void)
+{
+ for (typedef int T;;) /* { dg-error "declaration of non-variable" } */
+ if (1)
+ ;
+ T = 10; /* { dg-error "undeclared" } */
+}
+
+void
+fn6 (void)
+{
+ for (typedef int T;;) /* { dg-error "declaration of non-variable" } */
+ if (1)
+ ;
+ T[0]; /* { dg-error "undeclared" } */
+}
+
+void
+fn7 (void)
+{
+ for (typedef int T;;) /* { dg-error "declaration of non-variable" } */
+ if (1)
+ ;
+ T (); /* { dg-warning "implicit declaration" } */
+}