Make several variable declarations static.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50696 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/Passes.cpp b/lib/CodeGen/Passes.cpp
index 6742146..bcd67c50 100644
--- a/lib/CodeGen/Passes.cpp
+++ b/lib/CodeGen/Passes.cpp
@@ -31,6 +31,7 @@
 ///
 //===---------------------------------------------------------------------===//
 namespace {
+  static
   cl::opt<RegisterRegAlloc::FunctionPassCtor, false,
           RegisterPassParser<RegisterRegAlloc> >
   RegAlloc("regalloc",