parse.y (java_complete_lhs): Check if patch_assignment returned an error-mark.

	* parse.y (java_complete_lhs):  Check if patch_assignment
	returned an error-mark.

	* parse.y (try_builtin_assignconv):  Don't special-case zero.

From-SVN: r50499

gcc/java/ChangeLog

 2002-03-08  Per Bothner  <per@bothner.com>
 
+	* parse.y (java_complete_lhs):  Check if patch_assignment
+	returned an error-mark.
+
+	* parse.y (try_builtin_assignconv):  Don't special-case zero.
+
+2002-03-08  Per Bothner  <per@bothner.com>
+
 	Fix for PR java/5812.
 	* expr.c (build_java_jsr):  Take pc arguments, and do lookup_label
 	gere instead of in JSR macro.  Likewise with load_type_state call.

gcc/java/parse.y

@@ -12104,6 +12104,8 @@ java_complete_lhs (node)
       else
 	{
 	  node = patch_assignment (node, wfl_op1);
+	  if (node == error_mark_node)
+	    return error_mark_node;
 	  /* Reorganize the tree if necessary. */
 	  if (flag && (!JREFERENCE_TYPE_P (TREE_TYPE (node)) 
 		       || JSTRING_P (TREE_TYPE (node))))
@@ -12803,12 +12805,6 @@ try_builtin_assignconv (wfl_op1, lhs_type, rhs)
 	new_rhs = rhs;
     }
 
-  /* Zero accepted everywhere */
-  else if (TREE_CODE (rhs) == INTEGER_CST 
-      && TREE_INT_CST_HIGH (rhs) == 0 && TREE_INT_CST_LOW (rhs) == 0
-      && JPRIMITIVE_TYPE_P (rhs_type))
-    new_rhs = convert (lhs_type, rhs);
-
   /* 5.1.1 Try Identity Conversion,
      5.1.2 Try Widening Primitive Conversion */
   else if (valid_builtin_assignconv_identity_widening_p (lhs_type, rhs_type))