[libcxxabi] r292638 - Fix catch_reference_nullptr.pass.cpp test for GCC.

[Renato Golin via cfe-commits]

On 20 January 2017 at 19:46, Eric Fiselier <eric at efcs.ca> wrote:
> This patch fixes a libc++abi test failure when compiled with GCC 5, 6, or 7.
> We should merge this into 4.0 to help get `check-all` clean.

Hi Eric,

All good on my side, pass with GCC 5.4 and 6.3.

Can you attach all commits that need to be backported into a bug
against PR31622?

We should probably squash them all before merge.

cheers,
--reanto