Alex Lorenz 675221589e [Sema][Atomics] Treat expected pointer in compare exchange atomics as _Nonnull ...

This commit teaches clang that is has to emit a warning when NULL is passed
as the 'expected' pointer parameter into an atomic compare exchange call.

rdar://18926650

Differential Revision: https://reviews.llvm.org/D26978

llvm-svn: 287776

2016-11-23 16:57:03 +00:00

434 KiB

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