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Date: Fri, 24 Aug 2012 20:09:18 -0400
From: Rich Felker <>
Subject: Re: build musl with clang

On Fri, Aug 24, 2012 at 09:04:22PM +0200, Szabolcs Nagy wrote:
> * agent <> [2012-08-25 00:55:34 +0600]:
> > that not only 'if (p[-1])' gets wiped out but any 'if (p[i])'.
> > though the nature of this i suppose the same
> yes
> you can try the same code with another function name
> instead of malloc
> (eg add a void *foobar(size_t); prototype and use that)
> if the generated code is different then that clearly
> demonstrates the bug in -ffreestanding

Here's an idea for a workaround:

void *not_called_malloc(size_t) __asm__("malloc");
#define malloc not_called_malloc

If that fixes it, it would be an amusing way to present it in the bug


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