From ab9319d886da3c2e60ff2e642b48a4c376a5cd45 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 2 Dec 2014 04:55:07 +0000
Subject: [PATCH] compile.c: set true and false directly

* compile.c (iseq_set_arguments): directly set true and false
  default values not only nil to keyword arguments.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48680 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 compile.c | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/compile.c b/compile.c
index b505fbe0d4..860d5adf3a 100644
--- a/compile.c
+++ b/compile.c
@@ -1240,14 +1240,21 @@ iseq_set_arguments(rb_iseq_t *iseq, LINK_ANCHOR *optargs, NODE *node_args)
 		    ++rkw;
 		}
 		else {
-		    if (nd_type(val_node) == NODE_LIT) {
+		    switch (nd_type(val_node)) {
+		      case NODE_LIT:
 			dv = val_node->nd_lit;
 			iseq_add_mark_object(iseq, dv);
-		    }
-		    else if (nd_type(val_node) == NODE_NIL) {
+			break;
+		      case NODE_NIL:
 			dv = Qnil;
-		    }
-		    else {
+			break;
+		      case NODE_TRUE:
+			dv = Qtrue;
+			break;
+		      case NODE_FALSE:
+			dv = Qfalse;
+			break;
+		      default:
 			COMPILE_POPED(optargs, "kwarg", node); /* nd_type(node) == NODE_KW_ARG */
 			dv = complex_mark;
 		    }
@@ -5358,7 +5365,10 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped)
 		/* required argument. do nothing */
 		rb_bug("unreachable");
 	    }
-	    else if (nd_type(default_value) == NODE_LIT) {
+	    else if (nd_type(default_value) == NODE_LIT ||
+		     nd_type(default_value) == NODE_NIL ||
+		     nd_type(default_value) == NODE_TRUE ||
+		     nd_type(default_value) == NODE_FALSE) {
 		rb_bug("unreachable");
 	    }
 	    else {