Add an implementation of -dM that follows GCC closely enough to permit
diffing the output of:
clang -dM -o - -E -x c foo.c | sort
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63926 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp
index 9b5965c..984cf1a 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -13,7 +13,7 @@
//
// Options to support:
// -H - Print the name of each header file used.
-// -d[MDNI] - Dump various things.
+// -d[DNI] - Dump various things.
// -fworking-directory - #line's with preprocessor's working dir.
// -fpreprocessed
// -dependency-file,-M,-MM,-MF,-MG,-MP,-MT,-MQ,-MD,-MMD