Merging r278571:

Merging r278571:
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r278571 | rnk | 2016-08-12 15:23:04 -0700 (Fri, 12 Aug 2016) | 6 lines

[Inliner] Don't treat inalloca allocas as static

They aren't static, and moving them to the entry block across something
else will only result in tears.

Root cause of http://crbug.com/636558.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_39@278831 91177308-0d34-0410-b5e6-96231b3b80d8