re PR c/29736 (ICE on duplicate vector attribute)

	PR c/29736
	* c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
	or UNION_TYPE inner types.

	* gcc.dg/pr29736.c: New test.

From-SVN: r119165

gcc/ChangeLog

+2006-11-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/29736
+	* c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
+	or UNION_TYPE inner types.
+
 2006-11-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 
 	PR tree-opt/29964

gcc/c-common.c

@@ -5450,6 +5450,8 @@ handle_vector_size_attribute (tree *node, tree name, tree args,
   orig_mode = TYPE_MODE (type);
 
   if (TREE_CODE (type) == RECORD_TYPE
+      || TREE_CODE (type) == UNION_TYPE
+      || TREE_CODE (type) == VECTOR_TYPE
       || (!SCALAR_FLOAT_MODE_P (orig_mode)
 	  && GET_MODE_CLASS (orig_mode) != MODE_INT)
       || !host_integerp (TYPE_SIZE_UNIT (type), 1))

gcc/testsuite/ChangeLog

+2006-11-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/29736
+	* gcc.dg/pr29736.c: New test.
+
 2006-11-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 
 	PR tree-opt/29964

gcc/testsuite/gcc.dg/pr29736.c

+/* PR c/29736 */
+
+int __attribute__ ((vector_size (8), vector_size (8))) v; /* { dg-error "invalid vector type" } */
+
+extern int __attribute__ ((vector_size (8))) w;
+int __attribute__ ((vector_size (8))) w;
+
+void
+foo ()
+{
+  v = v + v;
+  w = w + w;
+}