Alex Lorenz 5ffe4e14f1 [ObjC][ARC] Avoid -Warc-performSelector-leaks for performSelector variations ...

that became supported after r297019

The commit r297019 expanded the performSelector ObjC method family heuristic
to ensure that -Wobjc-unsafe-perform-selector covers all performSelector
variations. However, this made the -Warc-performSelector-leaks too noisy, as
that warning produces mostly false positives since the selector is unknown.
This commit reverts the ObjC method family heuristics introduced in r297019.
This ensures that -Warc-performSelector-leaks isn't too noisy. The commit still
preserves the coverage of -Wobjc-unsafe-perform-selector.

rdar://31124629

llvm-svn: 298587

2017-03-23 10:46:05 +00:00

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