clang-cl: Implement support for the /Fo option

This implements support for the /Fo option, which is used
to set the filename or output dir for object files.

Differential Revision: http://llvm-reviews.chandlerc.com/D1302

llvm-svn: 187820
diff --git a/clang/test/Driver/cl-options.c b/clang/test/Driver/cl-options.c
index ca286f7..ba1c1f3 100644
--- a/clang/test/Driver/cl-options.c
+++ b/clang/test/Driver/cl-options.c
@@ -88,7 +88,7 @@
 
 // Unsupported but parsed options. Check that we don't error on them.
 // (/Zs is for syntax-only)
-// RUN: %clang_cl /Zs /EHsc /Fdfoo /Fobar /fp:precise /Gd /GL /GL- -- %s 2>&1
+// RUN: %clang_cl /Zs /EHsc /Fdfoo /fp:precise /Gd /GL /GL- -- %s 2>&1
 // RUN: %clang_cl /Zs /Gm /Gm- /GS /Gy /Gy- /GZ /MD /MT /MDd /MTd /Oi -- %s 2>&1
 // RUN: %clang_cl /Zs /RTC1 /wfoo /Zc:wchar_t- -- %s 2>&1
 // RUN: %clang_cl /Zs /ZI /Zi /showIncludes -- %s 2>&1