[PATCH] Add warnings so that Clang can catch most of the cases that GCC's -Waddress can catch

[David Majnemer]

  LGTM


================
Comment at: lib/Sema/SemaChecking.cpp:5743
@@ +5742,3 @@
+  if (T->isFunctionType())
+    IsFunction = true;
+
----------------
Just a minor nit, these could just be:
  bool IsArray = T->isArrayType();
  bool IsFunction = T->isFunctionType();


http://llvm-reviews.chandlerc.com/D2645