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Re: [PATCH] tests: triple-backref: print a reference to glibc bug
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From: |
Jim Meyering |
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Subject: |
Re: [PATCH] tests: triple-backref: print a reference to glibc bug |
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Date: |
Fri, 18 Sep 2020 10:03:39 -0700 |
On Fri, Sep 18, 2020 at 9:28 AM Paul Eggert <eggert@cs.ucla.edu> wrote:
> On 9/18/20 8:02 AM, Jim Meyering wrote:
> > +# Clear this, so glibc doesn't bother to produce a core dump.
> > +MALLOC_CHECK_=
>
> Doesn't that need an 'export MALLOC_CHECK_' too?
"export" is not needed.
It is intended to override only if someone has already exported.
In that case, setting the variable even without "export" updates the
environment:
$ dash -c 'export a=a; a=b; printenv a'
b