smallvectorize getExtraOptionNames


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82377 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/CommandLine.cpp b/lib/Support/CommandLine.cpp
index 08c80c1..61b6cfe 100644
--- a/lib/Support/CommandLine.cpp
+++ b/lib/Support/CommandLine.cpp
@@ -108,8 +108,7 @@
 static void GetOptionInfo(SmallVectorImpl<Option*> &PositionalOpts,
                           SmallVectorImpl<Option*> &SinkOpts,
                           StringMap<Option*> &OptionsMap) {
-  // FIXME: SmallVectorize.
-  std::vector<const char*> OptionNames;
+  SmallVector<const char*, 16> OptionNames;
   Option *CAOpt = 0;  // The ConsumeAfter option if it exists.
   for (Option *O = RegisteredOptionList; O; O = O->getNextRegisteredOption()) {
     // If this option wants to handle multiple option names, get the full set.