sizeof(void) etc. should be a hard error in C++.

PR16872.

llvm-svn: 188324
diff --git a/clang/test/CXX/expr/expr.prim/expr.prim.lambda/p2.cpp b/clang/test/CXX/expr/expr.prim/expr.prim.lambda/p2.cpp
index c6ed308..1fbe287 100644
--- a/clang/test/CXX/expr/expr.prim/expr.prim.lambda/p2.cpp
+++ b/clang/test/CXX/expr/expr.prim/expr.prim.lambda/p2.cpp
@@ -15,7 +15,7 @@
 };
 
 void unevaluated_operand(P &p, int i) {
-  int i2 = sizeof([]()->void{}()); // expected-error{{lambda expression in an unevaluated operand}}
+  int i2 = sizeof([] ()->int { return 0; }()); // expected-error{{lambda expression in an unevaluated operand}}
   const std::type_info &ti1 = typeid([&]() -> P& { return p; }());
   const std::type_info &ti2 = typeid([&]() -> int { return i; }());  // expected-error{{lambda expression in an unevaluated operand}}
 }