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c++: Remove redundant code. 

We walk the lambda captures in cp_walk_subtrees, so we don't also need to
walk them here.

gcc/cp/ChangeLog
2020-05-11  Jason Merrill  <jason@redhat.com>

	* pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Remove redundant
	walking of capture list.
This commit is contained in:
Jason Merrill 2020-05-11 14:05:46 -04:00
parent 08434b02e2
commit f3f9cc41a1
2 changed files with 5 additions and 6 deletions
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5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
2020-05-11 Jason Merrill <jason@redhat.com>
* pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Remove redundant
walking of capture list.
2020-05-11 Jason Merrill <jason@redhat.com>
* cp-tree.h (LOOKUP_EXPLICIT_TMPL_ARGS): Remove.

6
gcc/cp/pt.c
View File

@ -3988,18 +3988,12 @@ find_parameter_packs_r (tree *tp, int *walk_subtrees, void* data)
case LAMBDA_EXPR:
{
/* Look at explicit captures. */
for (tree cap = LAMBDA_EXPR_CAPTURE_LIST (t);
cap; cap = TREE_CHAIN (cap))
cp_walk_tree (&TREE_VALUE (cap), &find_parameter_packs_r, ppd,
ppd->visited);
/* Since we defer implicit capture, look in the parms and body. */
tree fn = lambda_function (t);
cp_walk_tree (&TREE_TYPE (fn), &find_parameter_packs_r, ppd,
ppd->visited);
cp_walk_tree (&DECL_SAVED_TREE (fn), &find_parameter_packs_r, ppd,
ppd->visited);
*walk_subtrees = 0;
return NULL_TREE;
}