parse.y: chained assignments

* parse.y (command_asgn, arg): fix syntax errors with chained
  assignment with op assign.  [Bug #12669]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55888 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 22 insertions, 22 deletions

diff --git a/parse.y b/parse.y
index 41a164c02a..17f0f9c50a 100644
--- a/parse.y
+++ b/parse.y
@@ -1284,6 +1284,28 @@ stmt		: keyword_alias fitem {SET_LEX_STATE(EXPR_FNAME|EXPR_FITEM);} fitem
 			$$ = dispatch2(massign, $1, $3);
 		    %*/
 		    }
+		| lhs '=' mrhs
+		    {
+			value_expr($3);
+			$$ = node_assign($1, $3);
+		    }
+		| mlhs '=' mrhs_arg
+		    {
+		    /*%%%*/
+			$1->nd_value = $3;
+			$$ = $1;
+		    /*%
+			$$ = dispatch2(massign, $1, $3);
+		    %*/
+		    }
+		| expr
+		;
+
+command_asgn	: lhs '=' command_rhs
+		    {
+			value_expr($3);
+			$$ = node_assign($1, $3);
+		    }
 		| var_lhs tOP_ASGN command_rhs
 		    {
 			value_expr($3);
@@ -1335,28 +1357,6 @@ stmt		: keyword_alias fitem {SET_LEX_STATE(EXPR_FNAME|EXPR_FITEM);} fitem
 			$1 = var_field($1);
 			$$ = backref_assign_error($1, node_assign($1, $3));
 		    }
-		| lhs '=' mrhs
-		    {
-			value_expr($3);
-			$$ = node_assign($1, $3);
-		    }
-		| mlhs '=' mrhs_arg
-		    {
-		    /*%%%*/
-			$1->nd_value = $3;
-			$$ = $1;
-		    /*%
-			$$ = dispatch2(massign, $1, $3);
-		    %*/
-		    }
-		| expr
-		;
-
-command_asgn	: lhs '=' command_rhs
-		    {
-			value_expr($3);
-			$$ = node_assign($1, $3);
-		    }
 		;
 
 command_rhs	: command_call   %prec tOP_ASGN