3.6.1 nominations for libc++abi

[Tom Stellard]

Hi Eric,

Would you be able to merge these to the 3.6 branch for libcxxabi repo?
I've never done anything with libcxx abi, so it might take me a while
to get things up and merge the patches.

Thanks,
Tom

On Wed, May 06, 2015 at 07:12:40AM -0500, Marshall Clow wrote:
> On Sat, May 2, 2015 at 6:05 PM, Eric Fiselier <eric at efcs.ca> wrote:
> 
> > Hi Tom,
> > CC Marshall
> >
> > 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
> >
> 
> I'm fine with these going into 3.6.1; the last three fix obscure bugs in
> our exception handling code.
> 
> -- Marshall