[Patch] Fix undefined behaviors in regex

[Paolo Carlini]

On 10/17/2013 12:29 AM, Tim Shen wrote:
> On Wed, Oct 16, 2013 at 6:13 PM, Paolo Carlini <paolo.carlini@oracle.com> wrote:
>> Thank you!
> Committed.
By the way, please feel free to prepare a reduced testcase for the 
-fsanitize people (Marek, Jakub?)

Thanks,
Paolo.