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Re: bug#25390: Segfault with sed 4.3

From: Norihiro Tanaka
Subject: Re: bug#25390: Segfault with sed 4.3
Date: Mon, 09 Jan 2017 23:04:05 +0900

On Sun, 8 Jan 2017 22:12:02 -0800
Paul Eggert <address@hidden> wrote:

> Norihiro Tanaka wrote:
> > I wrote two additional patches for dfa.  First, derive number of
> > allocation from not argument but number of state in transition table
> > allocation.  Second, melt down dfastate() into build_state().  Now, I
> > think that there do not have to be separated.
> Thanks, I installed those two patches into Gnulib.


> > I also wrote a simple test, but the issue are not always caused, as it
> > depends on state of memory.  Should we rely to complate the test on
> > valgrind?
> Yes, I expect the 'sed' folks would prefer the test to use valgrind. You can 
> look at testsuite/invalid-mb-seq-UMR.sh for an example of a test that does 
> that.

Thanks, I updated the test.  The new test uses valgrind.

Attachment: 0001-tests-new-test-for-dfa-crash-bug.patch
Description: Text document

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