Refactor some code and implement support for global destructors for static variables.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78507 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGDecl.cpp b/lib/CodeGen/CGDecl.cpp
index 477cf52..d3b7db0 100644
--- a/lib/CodeGen/CGDecl.cpp
+++ b/lib/CodeGen/CGDecl.cpp
@@ -140,7 +140,7 @@
       if (!getContext().getLangOptions().CPlusPlus)
         CGM.ErrorUnsupported(D.getInit(), "constant l-value expression");
       else
-        GenerateStaticCXXBlockVarDeclInit(D, GV);
+        EmitStaticCXXBlockVarDeclInit(D, GV);
     } else {
       // The initializer may differ in type from the global. Rewrite
       // the global to match the initializer.  (We have to do this