[PATCH] Use anchors to prune failing and global searches

[Ulrich Drepper]

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Paolo Bonzini wrote:
> This is a small heuristic that is in PCRE as well.

Seems not to break anything and if you say it help in some cases, I
guess it's fine.  Applied.

- -- 
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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