Add associateTargetInfo API

[David Gosselin via cfe-commits]

Add associateTargetInfo API

Consolidates duplicate logic behind a convenience API on the
CompilerInstance class both to set the target and return whether the target
was set successfully.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20170726/742d6f03/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: associate-target-info.patch
Type: text/x-patch
Size: 3943 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20170726/742d6f03/attachment.bin>