Douglas Gregor 1735f4e752 For modules, use a hash of the compiler version, language options, and ...

target triple to separate modules built under different
conditions. The hash is used to create a subdirectory in the module
cache path where other invocations of the compiler (with the same
version, language options, etc.) can find the precompiled modules.

llvm-svn: 139662

2011-09-13 23:15:45 +00:00

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