Index: lib/Driver/ToolChains.cpp
===================================================================
--- lib/Driver/ToolChains.cpp
+++ lib/Driver/ToolChains.cpp
@@ -3912,8 +3912,11 @@
     return UnknownDistro;
   }
 
-  if (D.getVFS().exists("/etc/SuSE-release"))
-    return OpenSUSE;
+  File = llvm::MemoryBuffer::getFile("/etc/SuSE-release");
+  if (File)
+    return llvm::StringSwitch<Distro>(File.get()->getBuffer())
+      .StartsWith("openSUSE", OpenSUSE)
+      .Default(UnknownDistro);
 
   if (D.getVFS().exists("/etc/exherbo-release"))
     return Exherbo;