1 files changed, 12 insertions, 1 deletions
diff --git a/gcc/tree.c b/gcc/tree.c
index 430b761..c09434d 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -12131,7 +12131,6 @@ walk_tree_1 (tree *tp, walk_tree_fn func, void *data,
     case INTEGER_CST:
     case REAL_CST:
     case FIXED_CST:
-    case VECTOR_CST:
     case STRING_CST:
     case BLOCK:
     case PLACEHOLDER_EXPR:
@@ -12162,6 +12161,18 @@ walk_tree_1 (tree *tp, walk_tree_fn func, void *data,
 	WALK_SUBTREE_TAIL (TREE_VEC_ELT (*tp, 0));
       }
 
+    case VECTOR_CST:
+      {
+	unsigned len = vector_cst_encoded_nelts (*tp);
+	if (len == 0)
+	  break;
+	/* Walk all elements but the first.  */
+	while (--len)
+	  WALK_SUBTREE (VECTOR_CST_ENCODED_ELT (*tp, len));
+	/* Now walk the first one as a tail call.  */
+	WALK_SUBTREE_TAIL (VECTOR_CST_ENCODED_ELT (*tp, 0));
+      }
+
     case COMPLEX_CST:
       WALK_SUBTREE (TREE_REALPART (*tp));
       WALK_SUBTREE_TAIL (TREE_IMAGPART (*tp));