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Date: Fri, 24 Apr 2015 03:25:00 -0000
Message-ID: <CAHFci290f=Pq5RqN7V7eNGyNPAASb7z+1=uspiaj+sJgcs_67A@mail.gmail.com>
Subject: Re: [PATCH][PR65802] Mark ifn_va_arg with ECF_NOTHROW
From: "Bin.Cheng" <amker.cheng@gmail.com>
To: Tom de Vries <Tom_deVries@mentor.com>
Cc: Richard Biener <rguenther@suse.de>, GCC Patches <gcc-patches@gcc.gnu.org>
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On Tue, Apr 21, 2015 at 3:10 PM, Tom de Vries <Tom_deVries@mentor.com> wrote:
> Hi,
>
> this patch fixes PR65802.
>
> diff --git a/gcc/testsuite/g++.dg/
pr65802.C b/gcc/testsuite/g++.dg/pr65802.C
> new file mode 100644
> index 0000000..26e5317
> --- /dev/null
> +++ b/gcc/testsuite/g++.dg/pr65802.C
> @@ -0,0 +1,29 @@
> +// { dg-do compile }
> +// { dg-options "-O0" }
> +
> +typedef int tf ();
> +
> +struct S
> +{
> +  tf m_fn1;
> +} a;
> +
> +void
> +fn1 ()
> +{
> +  try
> +    {
> +      __builtin_va_list c;
> +      {
> +     int *d = __builtin_va_arg (c, int *);
> +     int **e = &d;
> +     __asm__("" : "=d"(e));
Hi, thanks for fixing the issue.
But 'd' is a machine specific constraint?  This case failed on all arm
processors.

Thanks,
bin
> +     a.m_fn1 ();
> +      }
> +      a.m_fn1 ();
> +    }
> +  catch (...)
> +    {
> +
> +    }
> +}

> OK for trunk?
>
> Thanks,
> - Tom