[Bug target/47995] ICE of c++ in gcc-4.5.x at FrameLoader.cpp in WebKit build

[jipeng at broadcom dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47995

--- Comment #4 from Jian Peng <jipeng at broadcom dot com> 2011-04-26 19:58:08 UTC ---
Hi, Maksim,

I did not dig into this, but my past experience is that it is related to recent
rework of SSa in FCC since it did not show up in old gcc-4.3

Thanks,

Jian

On Apr 26, 2011, at 3:52 PM, "maksim.rayskiy at gmail dot com"
<gcc-bugzilla@gcc.gnu.org> wrote:

> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47995
> 
> Maksim Rayskiy <maksim.rayskiy at gmail dot com> changed:
> 
>           What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                 CC|                            |maksim.rayskiy at gmail dot
>                   |                            |com
> 
> --- Comment #3 from Maksim Rayskiy <maksim.rayskiy at gmail dot com> 2011-04-26 19:51:11 UTC ---
> I want to add that segfault goes away if testcase is compiled with -fno-ipa-sra
> option.
> 
> Also, the crash itself is a stack overflow because of infinite recursion in 
> config/mips/mips.c:
> 
> mips_find_pic_call_symbol -> mips_pic_call_symbol_from_set ->
> mips_find_pic_call_symbol -> ...
> 
> I am not sure I understand what condition does not allow the recursion to
> break.
> 
> -- 
> Configure bugmail: http://gcc.gnu.org/bugzilla/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug.
> You reported the bug.
>