re PR c/19435 (spurious warnings with nested array constructors)

	PR c/19435
	* c-typeck.c (really_start_incremental_init): Reset
	constructor_max_index for arrays of incomplete type.

testsuite:
	* gcc.dg/c99-init-4.c: New test.

From-SVN: r94595

gcc/ChangeLog

+2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
+
+	PR c/19435
+	* c-typeck.c (really_start_incremental_init): Reset
+	constructor_max_index for arrays of incomplete type.
+
 2005-02-02  Jeff Law  <law@redhat.com>
 
 	* gcse.c (struct reg_set): Store the block index where the register

gcc/c-typeck.c

@@ -4674,7 +4674,10 @@ really_start_incremental_init (tree type)
 		       TYPE_MIN_VALUE (TYPE_DOMAIN (constructor_type)));
 	}
       else
-	constructor_index = bitsize_zero_node;
+	{
+	  constructor_index = bitsize_zero_node;
+	  constructor_max_index = NULL_TREE;
+	}
 
       constructor_unfilled_index = constructor_index;
     }

gcc/testsuite/ChangeLog

+2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
+
+	PR c/19435
+	* gcc.dg/c99-init-4.c: New test.
+
 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
 
 	* g++.old-deja/g++.other/init5.C: Remove xfail for powerpc-linux.

gcc/testsuite/gcc.dg/c99-init-4.c

+/* Test for nested initialization of a compound literal: must not be
+   checked against outer array bounds.  Bug 19435.  */
+/* Origin: Joseph Myers <joseph@codesourcery.com> */
+/* { dg-do compile } */
+/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
+
+struct s { char *p; };
+struct s a[1] = { { .p = ((char []){ 1, 2 }) } };