defaults.h (BUILD_VA_LIST_TYPE): New definition.

2000-12-30  Jeffrey Oldham  <oldham@codesourcery.com>

	* defaults.h (BUILD_VA_LIST_TYPE): New definition.
	* tree.c (build_common_tree_nodes_2): Ensure the va_list_type_node
	is a copy, not an alias.

From-SVN: r38561

gcc/ChangeLog

+2000-12-30  Jeffrey Oldham  <oldham@codesourcery.com>
+
+	* defaults.h (BUILD_VA_LIST_TYPE): New definition.
+	* tree.c (build_common_tree_nodes_2): Ensure the va_list_type_node
+	is a copy, not an alias.
+
 2000-12-30  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
 	* calls.c (calls_function_1, case CONSTRUCTOR): New case.

gcc/defaults.h

@@ -252,5 +252,9 @@ do { ASM_OUTPUT_LABEL(FILE,LABEL_ALTERNATE_NAME (INSN)); } while (0)
 #define LONG_DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2)
 #endif
 
+#ifndef BUILD_VA_LIST_TYPE
+#define BUILD_VA_LIST_TYPE(X) ((X) = ptr_type_node)
+#endif
+
 #endif  /* GCC_DEFAULTS_H */
 

gcc/tree.c

@@ -4837,11 +4837,11 @@ build_common_tree_nodes_2 (short_double)
   TREE_TYPE (complex_long_double_type_node) = long_double_type_node;
   layout_type (complex_long_double_type_node);
 
-#ifdef BUILD_VA_LIST_TYPE
-  BUILD_VA_LIST_TYPE (va_list_type_node);
-#else
-  va_list_type_node = build_type_copy (ptr_type_node);
-#endif
+  {
+    tree t;
+    BUILD_VA_LIST_TYPE (t);
+    va_list_type_node = build_type_copy (t);
+  }
 
   V4SF_type_node = make_node (VECTOR_TYPE);
   TREE_TYPE (V4SF_type_node) = float_type_node;