Hide variable from other functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12118 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/CommandLine.cpp b/lib/Support/CommandLine.cpp
index 8a6bd77..2c699d9 100644
--- a/lib/Support/CommandLine.cpp
+++ b/lib/Support/CommandLine.cpp
@@ -48,8 +48,9 @@
 }
 
 static std::vector<Option*> &getPositionalOpts() {
-  static std::vector<Option*> Positional;
-  return Positional;
+  static std::vector<Option*> *Positional = 0;
+  if (!Positional) Positional = new std::vector<Option*>();
+  return *Positional;
 }
 
 static void AddArgument(const char *ArgName, Option *Opt) {