[Driver] Fix -Wp,-MMD pr13959
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167559 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp
index d4b1bae..4fc6db9 100644
--- a/lib/Driver/Driver.cpp
+++ b/lib/Driver/Driver.cpp
@@ -185,7 +185,6 @@
// some build systems. We don't try to be complete here because we don't
// care to encourage this usage model.
if (A->getOption().matches(options::OPT_Wp_COMMA) &&
- A->getNumValues() == 2 &&
(A->getValue(0) == StringRef("-MD") ||
A->getValue(0) == StringRef("-MMD"))) {
// Rewrite to -MD/-MMD along with -MF.
@@ -193,8 +192,9 @@
DAL->AddFlagArg(A, Opts->getOption(options::OPT_MD));
else
DAL->AddFlagArg(A, Opts->getOption(options::OPT_MMD));
- DAL->AddSeparateArg(A, Opts->getOption(options::OPT_MF),
- A->getValue(1));
+ if (A->getNumValues() == 2)
+ DAL->AddSeparateArg(A, Opts->getOption(options::OPT_MF),
+ A->getValue(1));
continue;
}