re PR c/81289 (ICE in libcpp/line-map.c)

	PR c/81289
	* c-parser.c (c_parser_unary_expression): Use set_error.

	* gcc.dg/noncompile/pr81289.c: New test.

From-SVN: r250821

gcc/c/ChangeLog

+2017-08-02  Marek Polacek  <polacek@redhat.com>
+
+	PR c/81289
+	* c-parser.c (c_parser_unary_expression): Use set_error.
+
 2017-07-31  Jan Hubicka <hubicka@ucw.cz>
 	    Martin Liska  <mliska@suse.cz>
 
 	* c-typeck.c (c_finish_goto_label): Build gimple predict
-	stament.
+	statement.
 
 2017-07-31  Martin Liska  <mliska@suse.cz>
 

gcc/c/c-parser.c

@@ -7099,9 +7099,9 @@ c_parser_unary_expression (c_parser *parser)
       else
 	{
 	  c_parser_error (parser, "expected identifier");
-	  ret.value = error_mark_node;
+	  ret.set_error ();
 	}
-	return ret;
+      return ret;
     case CPP_KEYWORD:
       switch (c_parser_peek_token (parser)->keyword)
 	{

gcc/testsuite/ChangeLog

+2017-08-02  Marek Polacek  <polacek@redhat.com>
+
+	PR c/81289
+	* gcc.dg/noncompile/pr81289.c: New test.
+
 2017-08-02  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/81640

gcc/testsuite/gcc.dg/noncompile/pr81289.c

+/* PR c/81289 */
+/* { dg-do compile } */
+
+int
+fn (int mm)
+{
+  mm == *&&
+} /* { dg-error "expected identifier" } */