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[Bug libc/12495] Malloc fails if MALLOC_ALIGNMENT > 2 * SIZE_SZ


http://sourceware.org/bugzilla/show_bug.cgi?id=12495

--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> 2011-02-17 02:11:45 UTC ---
On Thu, 17 Feb 2011, hjl.tools at gmail dot com wrote:

> If I define  MALLOC_ALIGNMENT > 2 * SIZE_SZ, malloc will
> fail in mysterious ways.

Yes, this is known.  There's a patch at 
<http://sourceware.org/ml/libc-alpha/2007-11/msg00062.html> that fixes the 
problem in the context of PowerPC malloc not allocating memory 
sufficiently aligned for long double.

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