Annotate dump() methods with LLVM_DUMP_METHOD, addressing Richard Smith r259192 post commit comment.
clang part in r259232, this is the LLVM part of the patch.

llvm-svn: 259240
diff --git a/llvm/lib/IR/ValueSymbolTable.cpp b/llvm/lib/IR/ValueSymbolTable.cpp
index deb6e75..8305a2b 100644
--- a/llvm/lib/IR/ValueSymbolTable.cpp
+++ b/llvm/lib/IR/ValueSymbolTable.cpp
@@ -97,7 +97,7 @@
 
 // dump - print out the symbol table
 //
-void ValueSymbolTable::dump() const {
+LLVM_DUMP_METHOD void ValueSymbolTable::dump() const {
   //DEBUG(dbgs() << "ValueSymbolTable:\n");
   for (const_iterator I = begin(), E = end(); I != E; ++I) {
     //DEBUG(dbgs() << "  '" << I->getKeyData() << "' = ");