diff --git a/clang/lib/AST/ExprClassification.cpp b/clang/lib/AST/ExprClassification.cpp
index 882c786..a5a4435 100644
--- a/clang/lib/AST/ExprClassification.cpp
+++ b/clang/lib/AST/ExprClassification.cpp
@@ -186,6 +186,7 @@
   case Expr::CXXFoldExprClass:
   case Expr::NoInitExprClass:
   case Expr::DesignatedInitUpdateExprClass:
+  case Expr::CoyieldExprClass:
     return Cl::CL_PRValue;
 
     // Next come the complicated cases.
@@ -397,6 +398,9 @@
     assert(cast<InitListExpr>(E)->getNumInits() == 1 &&
            "Only 1-element init lists can be glvalues.");
     return ClassifyInternal(Ctx, cast<InitListExpr>(E)->getInit(0));
+
+  case Expr::CoawaitExprClass:
+    return ClassifyInternal(Ctx, cast<CoawaitExpr>(E)->getResumeExpr());
   }
 
   llvm_unreachable("unhandled expression kind in classification");