[gcc r12-1042] Fix thinko in latest change to setup_one_parameter

[gcc r12-1042] Fix thinko in latest change to setup_one_parameter

[Eric Botcazou]

https://gcc.gnu.org/g:1d3707a52d6b8a3054248b4291719150937db309

commit r12-1042-g1d3707a52d6b8a3054248b4291719150937db309
Author: Eric Botcazou <ebotcazou@adacore.com>
Date:   Tue May 25 16:51:05 2021 +0200

    Fix thinko in latest change to setup_one_parameter
    
    gcc/
            * tree-inline.c (setup_one_parameter): Fix thinko in new condition.

Diff:
---
 gcc/tree-inline.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c
index 8f945b88c12..1d13e7f5aca 100644
--- a/gcc/tree-inline.c
+++ b/gcc/tree-inline.c
@@ -3446,7 +3446,7 @@ setup_one_parameter (copy_body_data *id, tree p, tree value, tree fn,
 	 sure that it cannot be modified from another path in the callee.  */
       if ((is_gimple_min_invariant (value)
 	   || (DECL_P (value) && TREE_READONLY (value))
-	   || (auto_var_in_fn_p (value, id->src_fn)
+	   || (auto_var_in_fn_p (value, id->dst_fn)
 	       && !TREE_ADDRESSABLE (value)))
 	  && useless_type_conversion_p (TREE_TYPE (p), TREE_TYPE (value))
 	  /* We have to be very careful about ADDR_EXPR.  Make sure