From a170b76906279f2ac7a32b7b371a7c6194e8c2bc Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 26 Apr 2016 08:38:20 +0000
Subject: compile.c: true conditions

* compile.c (compile_branch_condition): add more always-true
  conditions to optimize away unreachable branch.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54775 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 compile.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'compile.c')

diff --git a/compile.c b/compile.c
index 7e3fe14d3f..90c021a501 100644
--- a/compile.c
+++ b/compile.c
@@ -2784,6 +2784,18 @@ compile_branch_condition(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * cond,
       case NODE_LIT:		/* NODE_LIT is always not true */
       case NODE_TRUE:
       case NODE_STR:
+      case NODE_DSTR:
+      case NODE_XSTR:
+      case NODE_DXSTR:
+      case NODE_DREGX:
+      case NODE_DREGX_ONCE:
+      case NODE_DSYM:
+      case NODE_ARRAY:
+      case NODE_ZARRAY:
+      case NODE_HASH:
+      case NODE_LAMBDA:
+      case NODE_DEFN:
+      case NODE_DEFS:
 	/* printf("useless condition eliminate (%s)\n",  ruby_node_name(nd_type(cond))); */
 	ADD_INSNL(ret, nd_line(cond), jump, then_label);
 	break;
-- 
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