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Ran 20 May 2017 05:56PM UTC

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Committed 20 May 2017 04:32PM UTC coverage: 90.613% (-0.2%) from 90.781%

Job # 1056.4

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push

travis-ci

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bors

Commit Message

Auto merge of #369 - rust-lang:ag-fix-353, r=BurntSushi

compiler: fix RegexSet bug

When compiling a RegexSet, it was possible for the jump locations to
become incorrect if the last regex in the set had a starting location
that didn't correspond to the beginning of its program. This can happen
in simple cases like when your set consists of the regexes `a` and `β`.
In particular, the program for `β` is:

    0: Bytes(\xB2) (goto 2)
    1: Bytes(\xCE) (goto 0)
    2: MATCH

Where the entry point is `1` instead of `0`. To fix this, we compile a
set of regexes similarly to how we compile `a|β`, where we handle the
holes produced by sub-expressions correctly.

Fixes #353

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