(lookup_field): Don't recurse unless FIELD is a RECORD_TYPE or

UNION_TYPE.

From-SVN: r13870

diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c
index 32d5c27a0cffc09379ff7b21efbddd18aa9da276..32111d09dc05ca033520e158a830cccc7b6a74b2 100644 (file)
--- a/gcc/c-typeck.c
+++ b/gcc/c-typeck.c
@@ -1,5 +1,5 @@
 /* Build expressions with type checking for C compiler.
-   Copyright (C) 1987, 88, 91, 92-6, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1987, 88, 91-6, 1997 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -1151,10 +1151,13 @@ lookup_field (type, component, indirect)
              /* Step through all anon unions in linear fashion.  */
              while (DECL_NAME (field_array[bot]) == NULL_TREE)
                {
-                 tree anon, junk;
+                 tree anon = 0, junk;
 
                  field = field_array[bot++];
-                 anon = lookup_field (TREE_TYPE (field), component, &junk);
+                 if (TREE_CODE (TREE_TYPE (field)) == RECORD_TYPE
+                     || TREE_CODE (TREE_TYPE (field)) == UNION_TYPE)
+                   anon = lookup_field (TREE_TYPE (field), component, &junk);
+
                  if (anon != NULL_TREE)
                    {
                      *indirect = field;
@@ -1190,7 +1193,12 @@ lookup_field (type, component, indirect)
          if (DECL_NAME (field) == NULL_TREE)
            {
              tree junk;
-             tree anon = lookup_field (TREE_TYPE (field), component, &junk);
+             tree anon = 0;
+
+             if (TREE_CODE (TREE_TYPE (field)) == RECORD_TYPE
+                 || TREE_CODE (TREE_TYPE (field)) == UNION_TYPE)
+               anon = lookup_field (TREE_TYPE (field), component, &junk);
+
              if (anon != NULL_TREE)
                {
                  *indirect = field;