[llvm-commits] [llvm-gcc-4.2] r100149 - /llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp

[Bill Wendling]

On Apr 2, 2010, at 12:19 AM, Duncan Sands wrote:

> Hi Bill,
> 
>> Set the proper linkage for the ".llvm.eh.catch.all.value" variable.
> 
> while you are there, maybe you can fix the problem that this variable breaks
> LTO with multi-language programs.  For example, if I compile some C++ then
> .llvm.eh.catch.all.value is set to null; with Ada it is to set some different
> Ada value.  If I link the bitcode for these two together than the result won't
> work, either because the Ada value will be used for the C++, or because the
> C++ value will be used with the Ada.  This variable should really be some kind
> of map from the personality function to the catch-all.
> 
Hi Duncan,

That's a longer-term goal of mine. Right now, it's dangerous to mix Ada, C++, etc. methods which could throw exceptions, because if they're inlined then they won't use the correct personality functions anyway.

But there is a bug in here...It's keeping this weak external around. I need to mark it as "private" or something...

-bw