Re: [Boost-users] [variant] 'which' out of range assertion

Subject: Re: [Boost-users] [variant] 'which' out of range assertion
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2012-02-22 20:16:47

AMDG

On 02/22/2012 07:25 AM, Igor R wrote:
> It appears that since 1.47 Boost.Variant has a bug that can be
> reproduced as follows (MSVC10, Debug mode):
> 
> <snip>
> The last line generates assertion in variant_impl.hpp, line 264,
> visitation_impl() function: "Boost.Variant internal error: 'which' out
> of range."
> 
> According to the release notes, variant wasn't changed in 1.47, but I
> recalled teh following discussion:
> http://boost.2283326.n4.nabble.com/large-variant-performance-compared-50-elements-tt3204484.html#a3205490
> It seems that the above issue is somehow related to this change.
> 

It's unrelated.  The problem was introduced in

r71083 | steven_watanabe | 2011-04-07 08:35:56 -0700 (Thu, 07 Apr 2011)
| 1 line

Supress warnings from variant.  Refs #4666.

I just fixed this in r77098

In Christ,
Steven Watanabe