PR4063: Fix dependency generation with -E.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70686 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Preprocessor/depencies-and-pp.c b/test/Preprocessor/depencies-and-pp.c
new file mode 100644
index 0000000..ec66c73
--- /dev/null
+++ b/test/Preprocessor/depencies-and-pp.c
@@ -0,0 +1,4 @@
+// RUN: clang -E -o %t.1 %s &&
+// RUN: clang -E -MD -MF %t.d -MT foo -o %t.2 %s &&
+// RUN: diff %t.1 %t.2 &&
+// RUN: grep "foo:" %t.d