Unweaken vtables as per http://llvm.org/docs/CodingStandards.html#ll_virtual_anch

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146959 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/StaticAnalyzer/Core/BugReporter.cpp b/lib/StaticAnalyzer/Core/BugReporter.cpp
index fbbdb04..8ef9c21 100644
--- a/lib/StaticAnalyzer/Core/BugReporter.cpp
+++ b/lib/StaticAnalyzer/Core/BugReporter.cpp
@@ -34,6 +34,8 @@
 
 BugReporterVisitor::~BugReporterVisitor() {}
 
+void BugReporterContext::anchor() {}
+
 //===----------------------------------------------------------------------===//
 // Helper routines for walking the ExplodedGraph and fetching statements.
 //===----------------------------------------------------------------------===//
@@ -1204,10 +1206,14 @@
 
 void BugType::FlushReports(BugReporter &BR) {}
 
+void BuiltinBug::anchor() {}
+
 //===----------------------------------------------------------------------===//
 // Methods for BugReport and subclasses.
 //===----------------------------------------------------------------------===//
 
+void BugReport::NodeResolver::anchor() {}
+
 void BugReport::addVisitor(BugReporterVisitor* visitor) {
   if (!visitor)
     return;