Bug#751569: iceweasel: crashes on mcl-samar.com

[Mike Hommey]

On Sun, Jun 15, 2014 at 02:02:44AM +0200, Vincent Lefevre wrote:
> Control: tags -1 upstream
> 
> On 2014-06-15 08:16:12 +0900, Mike Hommey wrote:
> > So, I was able to reproduce this crash... but not with 30.0-1. I
> > reproduced with both 31.0~b1-1 and 32.0~a2+20140613004003-1.
> > I did *not* reproduce with 31.0~b1-1~bpo70+1 from mozilla.debian.net,
> > or with upstream Firefox, and that may be indicating a compiler bug \o/
> 
> I could reproduce it with upstream Firefox 30.0, still on mcl-samar.com,
> but not at Firefox startup, it was a bit later. Here's the crash report:
> 
> https://crash-stats.mozilla.com/report/index/d429af40-44c8-4b9a-acfe-62f9f2140614

That's not the same crash at all. The one with the debian build is
because somehow there are no pointers to destructors in the vtable for
TSymbol, which causes a crash in TSymbolTableLevel::~TSymbolTableLevel.

Mike