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Re: please set both MALLOC_PERTURB_ and MALLOC_CHECK_ envvars

From: Jim Meyering
Subject: Re: please set both MALLOC_PERTURB_ and MALLOC_CHECK_ envvars
Date: Mon, 30 May 2011 12:30:03 +0200

Jim Meyering wrote:
> Thien-Thi Nguyen wrote:
>> () Jim Meyering <address@hidden>
>> () Fri, 27 May 2011 23:57:40 +0200
>>    this time a compiler problem appears
>> Please describe specifics of this compiler (name, version, etc).
> It was the gcc from Fedora 15.
>     $ rpm -q gcc
>     gcc-4.6.0-7.fc15.x86_64
> Using gcc built from the very latest (yesterday),
>     gcc version 4.7.0 20110528 (experimental) (GCC)
> everything works fine, and yes!, even with these envvar settings:
> So at least for a little while, I'll be using that.
> Bottom line: using the very latest gcc-4.7.x, all is well.

Here's an update.

Maybe that was just luck, because bootstrap failed this morning with
the aggressive MALLOC_* settings, even when using the latest version of gcc.

However, when I turned off MALLOC_CHECK_, it succeeded:

  MALLOC_CHECK_=0 MALLOC_PERTURB_=91 make bootstrap

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