re PR c++/10515 (problem when initializing a field in a union)

	PR c++/10515
	* g++.dg/ext/desig1.C: New test.
	* g++.dg/ext/init1.C: Likewise.

	PR c++/10515
	* cp-tree.h (lookup_field_1): Declare it.
	* search.c (lookup_field_1): Make it public.
	* decl.c (reshape_init): Handle designated initializers.

From-SVN: r66235

gcc/cp/ChangeLog

@@ -5,6 +5,11 @@
 
 2003-04-29  Mark Mitchell  <mark@codesourcery.com>
 
+	PR c++/10515
+	* cp-tree.h (lookup_field_1): Declare it.
+	* search.c (lookup_field_1): Make it public.
+	* decl.c (reshape_init): Handle designated initializers.
+
 	* decl.c (maybe_commonize_var): Further tweak support for systems
 	without weak symbols.
 

gcc/cp/cp-tree.h

@@ -4014,6 +4014,7 @@ extern int types_overlap_p			(tree, tree);
 extern tree get_vbase				(tree, tree);
 extern tree get_dynamic_cast_base_type          (tree, tree);
 extern int accessible_p                         (tree, tree);
+extern tree lookup_field_1                      (tree, tree, bool);
 extern tree lookup_field			(tree, tree, int, bool);
 extern int lookup_fnfields_1                    (tree, tree);
 extern tree lookup_fnfields			(tree, tree, int);

gcc/cp/search.c

@@ -81,7 +81,6 @@ struct vbase_info
   tree inits;
 };
 
-static tree lookup_field_1 (tree, tree, bool);
 static tree dfs_check_overlap (tree, void *);
 static tree dfs_no_overlap_yet (tree, int, void *);
 static base_kind lookup_base_r (tree, tree, base_access,
@@ -430,7 +429,7 @@ get_dynamic_cast_base_type (tree subtype, tree target)
    figure out whether it can access this field.  (Since it is only one
    level, this is reasonable.)  */
 
-static tree
+tree
 lookup_field_1 (tree type, tree name, bool want_type)
 {
   register tree field;

gcc/testsuite/ChangeLog

 2003-04-29  Mark Mitchell  <mark@codesourcery.com>
 
+	* g++.dg/ext/desig1.C: New test.
+	* g++.dg/ext/init1.C: Likewise.
+
 	* g++.old-deja/g++.pt/deduct5.C: Remove unnecessary initializer.
 
 2003-04-28  Mark Mitchell  <mark@codesourcery.com>

gcc/testsuite/g++.dg/ext/desig1.C

+// { dg-options "" }
+
+struct a {
+        int x;
+};
+
+struct b {
+        int x;
+        int y;
+};
+
+struct foo {
+        union {
+                struct a a;
+                struct b b;
+        } u;
+};
+
+int main(void)
+{
+        struct foo bar = { u: { b: { x: 0, y: 0, }}};
+        (void)bar;
+        return 0;
+}

gcc/testsuite/g++.dg/ext/init1.C

 // PR c++/9623
 // Test for trivial use of named initializer extension
+// { dg-options "" }
 
 struct S { int x;  int y; };
 S s = { x:1, y:2 };