[CodeGen] Fold memcpy into SmallVector initializer. No functionality change.

llvm-svn: 243992
diff --git a/clang/lib/CodeGen/CGException.cpp b/clang/lib/CodeGen/CGException.cpp
index 16dc7d1..7f4d1c0 100644
--- a/clang/lib/CodeGen/CGException.cpp
+++ b/clang/lib/CodeGen/CGException.cpp
@@ -1008,9 +1008,8 @@
 
   // Copy the handler blocks off before we pop the EH stack.  Emitting
   // the handlers might scribble on this memory.
-  SmallVector<EHCatchScope::Handler, 8> Handlers(NumHandlers);
-  memcpy(Handlers.data(), CatchScope.begin(),
-         NumHandlers * sizeof(EHCatchScope::Handler));
+  SmallVector<EHCatchScope::Handler, 8> Handlers(
+      CatchScope.begin(), CatchScope.begin() + NumHandlers);
 
   EHStack.popCatch();