Akira Hatanaka 41b1e97b12 [CodeGen][ObjC] Mark calls to objc_unsafeClaimAutoreleasedReturnValue as ...

notail on x86-64

This is needed because the epilogue code inserted before tail calls on
x86-64 breaks the handshake between the caller and callee.

Calls to objc_retainAutoreleasedReturnValue used to have the same
problem, which was fixed in https://reviews.llvm.org/D59656.

rdar://problem/66029552

Differential Revision: https://reviews.llvm.org/D84540

2020-08-03 13:25:25 -07:00

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