[PM] Appease mingw32's auto-import DLL build with minimal tweaks, with fix for clang.

char AnalysisBase::ID should be declared as extern and defined in one module.

llvm-svn: 262188
diff --git a/llvm/lib/Analysis/AliasAnalysis.cpp b/llvm/lib/Analysis/AliasAnalysis.cpp
index a30aedc..81d8d70 100644
--- a/llvm/lib/Analysis/AliasAnalysis.cpp
+++ b/llvm/lib/Analysis/AliasAnalysis.cpp
@@ -390,6 +390,9 @@
 // Provide a definition for the root virtual destructor.
 AAResults::Concept::~Concept() {}
 
+// Provide a definition for the static object used to identify passes.
+template class llvm::AnalysisBase<AAManager>;
+
 namespace {
 /// A wrapper pass for external alias analyses. This just squirrels away the
 /// callback used to run any analyses and register their results.