Sunil Srivastava 34fce9377e Improve the reliability of file renaming in Windows by having the compiler retry
the rename operation on 3 error conditions of ReplaceFileW() that it was 
previously bailing out on.

Patch by Douglas Yung!

Differential Revision: http://reviews.llvm.org/D17903

llvm-svn: 264477
2016-03-25 23:41:28 +00:00
..