Index: lib/Driver/Driver.cpp
===================================================================
--- lib/Driver/Driver.cpp
+++ lib/Driver/Driver.cpp
@@ -1694,7 +1694,7 @@
     bool separator = false;
     for (const std::string &Path : TC.getProgramPaths()) {
       if (separator)
-        llvm::outs() << ':';
+        llvm::outs() << llvm::sys::EnvPathSeparator;
       llvm::outs() << Path;
       separator = true;
     }
@@ -1705,7 +1705,7 @@
 
     for (const std::string &Path : TC.getFilePaths()) {
       // Always print a separator. ResourceDir was the first item shown.
-      llvm::outs() << ':';
+      llvm::outs() << llvm::sys::EnvPathSeparator;
       // Interpretation of leading '=' is needed only for NetBSD.
       if (Path[0] == '=')
         llvm::outs() << sysroot << Path.substr(1);