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* [gcc r12-5404] c++: cp_walk_subtrees simplification for *_CAST_EXPR
@ 2021-11-19 14:01 Patrick Palka
  0 siblings, 0 replies; only message in thread
From: Patrick Palka @ 2021-11-19 14:01 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:cb09215ad0bbc96fd67aac16004d2131739df096

commit r12-5404-gcb09215ad0bbc96fd67aac16004d2131739df096
Author: Patrick Palka <ppalka@redhat.com>
Date:   Fri Nov 19 09:01:09 2021 -0500

    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:
---
 gcc/cp/tree.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c
index 32ddf835a91..7050a53abc2 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:


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