From: Patrick Palka <ppalka@redhat.com>
Date: Fri, 19 Nov 2021 14:01:09 +0000 (-0500)
Subject: c++: cp_walk_subtrees simplification for *_CAST_EXPR
X-Git-Tag: basepoints/gcc-13~2909
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cb09215ad0bbc96fd67aac16004d2131739df096;p=thirdparty%2Fgcc.git

c++: cp_walk_subtrees simplification for *_CAST_EXPR

Let walk_tree_1 do the operand walking for us.

gcc/cp/ChangeLog:

	* tree.c (cp_walk_subtrees) <case *_CAST_EXPR>: Don't explicitly
	walk the operands.
---

diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c
index 32ddf835a918..7050a53abc2e 100644
--- a/gcc/cp/tree.c
+++ b/gcc/cp/tree.c
@@ -5352,13 +5352,6 @@ cp_walk_subtrees (tree *tp, int *walk_subtrees_p, walk_tree_fn func,
     case BIT_CAST_EXPR:
       if (TREE_TYPE (*tp))
 	WALK_SUBTREE (TREE_TYPE (*tp));
-
-      {
-        int i;
-        for (i = 0; i < TREE_CODE_LENGTH (TREE_CODE (*tp)); ++i)
-	  WALK_SUBTREE (TREE_OPERAND (*tp, i));
-      }
-      *walk_subtrees_p = 0;
       break;
 
     case CONSTRUCTOR: