Re: code generation bug

[askok@...]

On OS X PowerPC:
<<
Lua 5.1.4  Copyright (C) 1994-2008 Lua.org, PUC-Rio
> =1 or false
1
> =1 and true
true
> =true or false
true
> =((1 or false) and true) or false
1
<<

Indeed seems funny that combining expressions with 
paranthesis has different result than having them as 
separate expressions.

-asko


On Wed, 15 Apr 2009 21:37:25 -0700
 "Kelley, Brian" <bkelley@qualcomm.com> wrote:
> I was surprised to notice the following:
>
>   Lua 5.1.4  Copyright (C) 1994-2008 Lua.org, PUC-Rio
>   > =((1 or false) and true) or false
>   1
>
> Same results on 5.1.2 and 5.1.3, MacOS and Windows.
>
> For what it's worth, I observed in lcode.c that the 
> OPR_AND expression inherited the 'k' (kind) of VTRUE from 
> its rhs subexpression, which seems wrong and seems to 
> throw off the subsequent call to luaK_goiffalse().
>
> -bhk