[cfe-commits] Bug 11709 Fix: va_list on ARM is not following AAPCS 7.1.4

Evgeniy Stepanov eugeni.stepanov at gmail.com
Wed Oct 17 10:29:19 PDT 2012

Could someone familiar with this code review the patch please?
It fixes AddressSanitizer on ARM which is broken at the moment. And
probably _a lot_ of other code.

On Mon, Oct 15, 2012 at 8:51 PM, Weiming Zhao <weimingz at codeaurora.org> wrote:
> Hi Anton,
> Attached is the fix for the issue and a test case for that.
> The cause is that the original BuildVAArgExpr missed the case of a record type va_list.  I fixed that issue and I also refactored my original va_list construction code by removing the redundant call of creating RecordDecl.
> Please review it.
> Sorry for the inconvenience.
> Weiming
> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation
> -----Original Message-----
> From: Anton Korobeynikov [mailto:anton at korobeynikov.info]
> Sent: Thursday, October 11, 2012 1:46 PM
> To: weimingz at codeaurora.org
> Cc: Jordan Rose; Logan Chien; cfe-commits at cs.uiuc.edu
> Subject: Re: [cfe-commits] Bug 11709 Fix: va_list on ARM is not following AAPCS 7.1.4
> Hi Weiming,
>> Thanks for reviewing.
>> I don't have commit access.
>> Can you help to commit it?
> I'm seeing the copy-ctor assertion every time someone is using __builtin_va_arg. Will you please fix and add the testcase for it as well?
> Something like:
> __builtin_va_list ap;
> foo = __builtin_va_arg(ap, int)
> Thanks!
> --
> With best regards, Anton Korobeynikov
> Faculty of Mathematics and Mechanics, Saint Petersburg State University
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