Support/PathV2: Change most functions in the path namespace to return their work
via their return value instead of an out parameter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121149 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Unix/PathV2.inc b/lib/Support/Unix/PathV2.inc
index 3e75e9e..0facd6f 100644
--- a/lib/Support/Unix/PathV2.inc
+++ b/lib/Support/Unix/PathV2.inc
@@ -324,8 +324,7 @@
   Model.c_str();
 
   // Make model absolute by prepending a temp directory if it's not already.
-  bool absolute;
-  path::is_absolute(Twine(Model), absolute);
+  bool absolute = path::is_absolute(Twine(Model));
   if (!absolute) {
     SmallString<128> TDir;
     if (error_code ec = TempDir(TDir)) return ec;