[Patch] Refractor Thompson matcher

[Paolo Carlini]

Hi,

On 07/28/2013 12:18 PM, Tim Shen wrote:
> They are already added by 
> http://gcc.gnu.org/ml/gcc-cvs/2013-07/msg00643.html (though I found 
> the changelog entry used old file names, I'll fix it later). This time 
> it's the BFS approach that can correctly handle the problem instead of 
> the DFS one. I think, for now, they can share the testcases. 
I see. I was wondering if in this development stage it would be 
convenient to have somewhere a parameter allowing to switch by hand such 
internal details, useful for testing purposes too. Eventually may or may 
not go away.

Paolo.