[CG] Back out my pointless move ctor and add the explicit template
instantiation needed for the mingw dll build bot.

llvm-svn: 263114
diff --git a/llvm/lib/Analysis/CallGraph.cpp b/llvm/lib/Analysis/CallGraph.cpp
index 594e886..0b1bb62 100644
--- a/llvm/lib/Analysis/CallGraph.cpp
+++ b/llvm/lib/Analysis/CallGraph.cpp
@@ -259,6 +259,9 @@
   }
 }
 
+// Provide an explicit template instantiation for the static ID.
+template class llvm::AnalysisBase<CallGraphAnalysis>;
+
 PreservedAnalyses CallGraphPrinterPass::run(Module &M,
                                             AnalysisManager<Module> *AM) {
   AM->getResult<CallGraphAnalysis>(M).print(OS);