Zachary Turner 47d5614967 [Support] Add StringRef::withNullAsEmpty()
When porting large bodies of code from using const char*
to StringRef, it is helpful to be able to treat nullptr
as an empty string, since that it is often what it is used
to indicate in C-style code.

Differential Revision: https://reviews.llvm.org/D24697

llvm-svn: 281906
2016-09-19 15:34:51 +00:00
..