diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index ab5bbc0..c6ee971 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -3288,11 +3288,15 @@
   /// LLVM arguments and the types they were derived from.
   RValue EmitCall(const CGFunctionInfo &CallInfo, const CGCallee &Callee,
                   ReturnValueSlot ReturnValue, const CallArgList &Args,
-                  llvm::Instruction **callOrInvoke = nullptr);
-
+                  llvm::Instruction **callOrInvoke, SourceLocation Loc);
+  RValue EmitCall(const CGFunctionInfo &CallInfo, const CGCallee &Callee,
+                  ReturnValueSlot ReturnValue, const CallArgList &Args,
+                  llvm::Instruction **callOrInvoke = nullptr) {
+    return EmitCall(CallInfo, Callee, ReturnValue, Args, callOrInvoke,
+                    SourceLocation());
+  }
   RValue EmitCall(QualType FnType, const CGCallee &Callee, const CallExpr *E,
-                  ReturnValueSlot ReturnValue,
-                  llvm::Value *Chain = nullptr);
+                  ReturnValueSlot ReturnValue, llvm::Value *Chain = nullptr);
   RValue EmitCallExpr(const CallExpr *E,
                       ReturnValueSlot ReturnValue = ReturnValueSlot());
   RValue EmitSimpleCallExpr(const CallExpr *E, ReturnValueSlot ReturnValue);
@@ -3747,6 +3751,10 @@
                             llvm::ConstantInt *TypeId, llvm::Value *Ptr,
                             ArrayRef<llvm::Constant *> StaticArgs);
 
+  /// Emit a reached-unreachable diagnostic if \p Loc is valid and runtime
+  /// checking is enabled. Otherwise, just emit an unreachable instruction.
+  void EmitUnreachable(SourceLocation Loc);
+
   /// \brief Create a basic block that will call the trap intrinsic, and emit a
   /// conditional branch to it, for the -ftrapv checks.
   void EmitTrapCheck(llvm::Value *Checked);