Artem Belevich 9953577cb2 [CUDA] Treat extern global variable shadows same as regular extern vars.
This fixes compiler crash when we attempted to compile this code:

extern __device__ int data;
__device__ int data = 1;

Differential Revision: https://reviews.llvm.org/D56033

llvm-svn: 349981
2018-12-22 01:11:09 +00:00
..
2018-02-23 19:38:41 +00:00