3.6.1 nominations for libc++abi

[Tom Stellard]

On Sat, May 02, 2015 at 07:05:29PM -0400, Eric Fiselier wrote:
> Hi Tom,
> CC Marshall
> 

Is Marshall the code owner for these?

-Tom

> I nominate the following patches to be included in 3.6.1.
> 
> These two commits clean up undefined behavior in readEncodedPointer.
> 
> - r231839: Fix PR21580 - Undefined behavior in readEncodedPointer()
>   https://llvm.org/bugs/show_bug.cgi?id=21580
>   https://github.com/llvm-mirror/libcxxabi/commit/89ea9ad0b0a48a9b9fccf6de81bdca1861960855
> 
> - r231852: Remove unneeded const_cast in readPointerHelper. Pointed
> out by jroelofs
>   https://github.com/llvm-mirror/libcxxabi/commit/fdd39fd838828bba84c4f7ad620207ae0d734ad5
> 
> 
> These commits how libc++abi matches exception types to catch blocks.
> In particular it makes libc++abi properly check for multilevel pointer
> conversions as well as void* conversions.
> 
> 
> - r233984: Fix multi-level pointer conversions and pointer to member
> conversion detection.
>   https://github.com/llvm-mirror/libcxxabi/commit/0cb62d1b51f3d9ab65e0ba7b6541dda0663fe50d
> 
> - r234254: Disallow Base to Derived conversions for catching pointers
> to members.
>   https://github.com/llvm-mirror/libcxxabi/commit/554d59ab0b989830273c9183f7bdfd12108cad7a
> 
> - r236299: Disallow conversions from function pointers to void*.
>   https://github.com/llvm-mirror/libcxxabi/commit/b979db159a515fe12b54f793690618313e017259
> 
> /Eric