re PR c++/28256 (ICE with empty initializer)

	PR c++/28256
	* decl.c (check_initializer): Check for 1 initializer on scalar types.
	* g++.dg/init/brace2.C: Change expected error message, add empty init.

From-SVN: r115856

gcc/cp/ChangeLog

+2006-08-01  Steve Ellcey  <sje@cup.hp.com>
+
+	PR c++/28256
+	* decl.c (check_initializer): Check for 1 initializer on scalar types.
+
 2006-08-01  Daniel Jacobowitz  <dan@codesourcery.com>
 
 	PR debug/23336

gcc/cp/decl.c

@@ -4730,6 +4730,14 @@ check_initializer (tree decl, tree init, int flags, tree *cleanup)
       TREE_TYPE (decl) = error_mark_node;
       init = NULL_TREE;
     }
+  else if (!CP_AGGREGATE_TYPE_P (type)
+	   && init && BRACE_ENCLOSED_INITIALIZER_P (init)
+	   && VEC_length (constructor_elt, CONSTRUCTOR_ELTS (init)) != 1)
+    {
+      error ("scalar object %qD requires one element in initializer", decl);
+      TREE_TYPE (decl) = error_mark_node;
+      init = NULL_TREE;
+    }
 
   if (TREE_CODE (decl) == CONST_DECL)
     {

gcc/testsuite/ChangeLog

+2006-08-01  Steve Ellcey  <sje@cup.hp.com>
+
+	PR c++/28256
+	* g++.dg/init/brace2.C: Change expected error message, add empty init.
+
 2006-08-01  Daniel Jacobowitz  <dan@codesourcery.com>
 
 	PR debug/23336

gcc/testsuite/g++.dg/init/brace2.C

@@ -3,6 +3,6 @@
 int x = { 2 };
 const char * y = { "hello" };
 int a = 2;
-int b = { 2,3 }; // { dg-error "too many initializers" }
+int b = { 2,3 }; // { dg-error "requires one element in initializer" }
 int c = { { 2 } } ; // { dg-error "braces around scalar initializer" }
-
+int d = {}; // { dg-error "requires one element in initializer" }