parse.y: reset current_arg after block var

* parse.y (block_param_def): reset current_arg after block
  parameter definition, not to warn references in that block body.
  [ruby-core:65990] [Bug #10314]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48190 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/parse.y b/parse.y
index da91b53a02..6d04f4175e 100644
--- a/parse.y
+++ b/parse.y
@@ -3409,6 +3409,7 @@ opt_block_param	: none
 
 block_param_def	: '|' opt_bv_decl '|'
 		    {
+			current_arg = 0;
 		    /*%%%*/
 			$$ = 0;
 		    /*%
@@ -3427,6 +3428,7 @@ block_param_def	: '|' opt_bv_decl '|'
 		    }
 		| '|' block_param opt_bv_decl '|'
 		    {
+			current_arg = 0;
 		    /*%%%*/
 			$$ = $2;
 		    /*%