expr.c (expand_expr, [...]): Set TREE_USED sooner.

	* expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.

	* c-decl.c (finish_struct): Use simpler method of
	removing elements of a singly-linked list.

From-SVN: r29860

1 files changed, 9 insertions, 11 deletions

diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index b6facc7..37915a4 100644
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -5526,17 +5526,15 @@ finish_struct (t, fieldlist, attributes)
 
   layout_type (t);
 
-  /* Delete all zero-width bit-fields from the front of the fieldlist */
-  while (fieldlist
-	 && DECL_INITIAL (fieldlist))
-    fieldlist = TREE_CHAIN (fieldlist);
-  /* Delete all such members from the rest of the fieldlist */
-  for (x = fieldlist; x;)
-    {
-      if (TREE_CHAIN (x) && DECL_INITIAL (TREE_CHAIN (x)))
-	TREE_CHAIN (x) = TREE_CHAIN (TREE_CHAIN (x));
-      else x = TREE_CHAIN (x);
-    }
+  /* Delete all zero-width bit-fields from the fieldlist */
+  {
+    tree *fieldlistp = &fieldlist;
+    while (*fieldlistp && TREE_CODE (*fieldlistp) == FIELD_DECL)
+      if (DECL_INITIAL (*fieldlistp))
+	*fieldlistp = TREE_CHAIN (*fieldlistp);
+      else
+	fieldlistp = &TREE_CHAIN (*fieldlistp);
+  }
 
   /*  Now we have the truly final field list.
       Store it in this type and in the variants.  */