clang-cl: Parse the new /JMC flag

llvm-svn: 339008
diff --git a/clang/test/Driver/cl-options.c b/clang/test/Driver/cl-options.c
index 9aa6ced..3e2960f 100644
--- a/clang/test/Driver/cl-options.c
+++ b/clang/test/Driver/cl-options.c
@@ -429,6 +429,7 @@
 // RUN:     /H \
 // RUN:     /homeparams \
 // RUN:     /hotpatch \
+// RUN:     /JMC \
 // RUN:     /kernel \
 // RUN:     /LN \
 // RUN:     /MP \