diff --git a/clang/lib/AST/Expr.cpp b/clang/lib/AST/Expr.cpp
index d342bda..f8017bb 100644
--- a/clang/lib/AST/Expr.cpp
+++ b/clang/lib/AST/Expr.cpp
@@ -1862,6 +1862,7 @@
   case CK_FloatingComplexToBoolean:
   case CK_IntegralComplexToBoolean:
   case CK_LValueBitCast:            // -> bool&
+  case CK_LValueToRValueBitCast:
   case CK_UserDefinedConversion:    // operator bool()
   case CK_BuiltinFnToFnPtr:
   case CK_FixedPointToBoolean:
@@ -3506,7 +3507,8 @@
   case CXXStaticCastExprClass:
   case CXXReinterpretCastExprClass:
   case CXXConstCastExprClass:
-  case CXXFunctionalCastExprClass: {
+  case CXXFunctionalCastExprClass:
+  case BuiltinBitCastExprClass: {
     // While volatile reads are side-effecting in both C and C++, we treat them
     // as having possible (not definite) side-effects. This allows idiomatic
     // code to behave without warning, such as sizeof(*v) for a volatile-