re PR c/65050 (Show the type for "array type has incomplete element type" error)

	PR c/65050
	* c-decl.c (grokdeclarator): Print also the type when giving
	the error message about array's incomplete element type.

	* gcc.dg/pr65050.c: New test.

From-SVN: r220698

gcc/c/ChangeLog

+2015-02-13  Marek Polacek  <polacek@redhat.com>
+
+	PR c/65050
+	* c-decl.c (grokdeclarator): Print also the type when giving
+	the error message about array's incomplete element type.
+
 2015-02-11  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c/64824

gcc/c/c-decl.c

@@ -5962,7 +5962,8 @@ grokdeclarator (const struct c_declarator *declarator,
 	    /* Complain about arrays of incomplete types.  */
 	    if (!COMPLETE_TYPE_P (type))
 	      {
-		error_at (loc, "array type has incomplete element type");
+		error_at (loc, "array type has incomplete element type %qT",
+			  type);
 		type = error_mark_node;
 	      }
 	    else

gcc/testsuite/ChangeLog

+2015-02-13  Marek Polacek  <polacek@redhat.com>
+
+	PR c/65050
+	* gcc.dg/pr65050.c: New test.
+
 2015-02-13  Jeff Law  <law@redhat.com>
 
 	PR tree-optimization/64823

gcc/testsuite/gcc.dg/pr65050.c

+/* PR c/65050 */
+/* { dg-do compile } */
+
+typedef int A[];
+struct S { int i; A a[5]; } s; /* { dg-error "array type has incomplete element type .A {aka int\\\[\\\]}." } */
+extern void foo (int p[2][]); /* { dg-error "array type has incomplete element type .int\\\[\\\]." } */
+extern void bar (A p[2]); /* { dg-error "array type has incomplete element type .A {aka int\\\[\\\]}." } */
+
+void
+foo (int p[2][]) /* { dg-error "array type has incomplete element type .int\\\[\\\]." } */
+{
+}
+
+void
+bar (A p[2]) /* { dg-error "array type has incomplete element type .A {aka int\\\[\\\]}." } */
+{
+}
+
+struct T;
+struct T t[5]; /* { dg-error "array type has incomplete element type .struct T." } */
+struct U u[] = { { "abc" } }; /* { dg-error "array type has incomplete element type .struct U." } */
+typedef struct T TT;
+TT tt[5]; /* { dg-error "array type has incomplete element type .TT {aka struct T}." } */