From: =?UTF-8?q?Beno=C3=AEt=20Burnichon?= <benoit.burnichon@airtag.com>
Date: Tue, 6 Dec 2011 14:25:18 +0100
Subject: [PATCH] Wrong code generation for some particular boolean
 expressions.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Comes from http://www.lua.org/bugs.html#5.1.4-9

reported by Thierry Van Elsuwe on 20 Jan 2011.
Example:
 --
 print((('hi' or true) and true) or true)
 --> hi     (should be true)
 print(((nil and nil) or false) and true)
 --> nil    (should be false)
 --

Signed-off-by: Benoît Burnichon <benoit.burnichon@airtag.com>
---
 src/lcode.c |   14 --------------
 1 files changed, 0 insertions(+), 14 deletions(-)

diff --git a/src/lcode.c b/src/lcode.c
index 84f286b..c13066e 100644
--- a/src/lcode.c
+++ b/src/lcode.c
@@ -549,13 +549,6 @@ void luaK_goiftrue (FuncState *fs, expdesc *e) {
       pc = e->u.s.info;
       break;
     }
-    case VFALSE: {
-      if (!hasjumps(e)) {
-        pc = luaK_jump(fs);  /* always jump */
-        break;
-      }
-      /* else go through */
-    }
     default: {
       pc = jumponcond(fs, e, 0);
       break;
@@ -579,13 +572,6 @@ static void luaK_goiffalse (FuncState *fs, expdesc *e) {
       pc = e->u.s.info;
       break;
     }
-    case VTRUE: {
-      if (!hasjumps(e)) {
-        pc = luaK_jump(fs);  /* always jump */
-        break;
-      }
-      /* else go through */
-    }
     default: {
       pc = jumponcond(fs, e, 1);
       break;