Simplify the Mangler interface now that DataLayout is mandatory.

We only need to pass in a DataLayout when mangling a raw string, not when
constructing the mangler.

llvm-svn: 240405
diff --git a/llvm/lib/ExecutionEngine/ExecutionEngine.cpp b/llvm/lib/ExecutionEngine/ExecutionEngine.cpp
index 94e8090..c2ff8e2 100644
--- a/llvm/lib/ExecutionEngine/ExecutionEngine.cpp
+++ b/llvm/lib/ExecutionEngine/ExecutionEngine.cpp
@@ -181,9 +181,9 @@
 
 std::string ExecutionEngine::getMangledName(const GlobalValue *GV) {
   MutexGuard locked(lock);
-  Mangler Mang(DL);
+  Mangler Mang;
   SmallString<128> FullName;
-  Mang.getNameWithPrefix(FullName, GV->getName());
+  Mang.getNameWithPrefix(FullName, GV, false);
   return FullName.str();
 }