tree.c (contains_placeholder_p): Return 0 for a SAVE_EXPR.

* tree.c (contains_placeholder_p): Return 0 for a SAVE_EXPR.

From-SVN: r140819

1 files changed, 5 insertions, 0 deletions

diff --git a/gcc/tree.c b/gcc/tree.c
index 3d2f3e1..4b178d5 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -2492,6 +2492,11 @@ contains_placeholder_p (const_tree exp)
 		  || CONTAINS_PLACEHOLDER_P (TREE_OPERAND (exp, 1))
 		  || CONTAINS_PLACEHOLDER_P (TREE_OPERAND (exp, 2)));
 
+	case SAVE_EXPR:
+	  /* The save_expr function never wraps anything containing
+	     a PLACEHOLDER_EXPR. */
+	  return 0;
+
 	default:
 	  break;
 	}