new classes: assert that constructors are not callable and rewrite 'return;'

src/runtime/runtime.h

Index: src/runtime/runtime.h
diff --git a/src/runtime/runtime.h b/src/runtime/runtime.h
index 1bcfd6ecb18f6aedffe57eefd2c58593363e2b28..081814c2456fe690fe03a9c96009290caa53d057 100644
--- a/src/runtime/runtime.h
+++ b/src/runtime/runtime.h
@@ -186,18 +186,19 @@ namespace internal {
   /* Classes support */                                    \
   F(ToMethod, 2, 1)                                        \
   F(HomeObjectSymbol, 0, 1)                                \
+  F(DefaultConstructorSuperCall, 0, 1)                     \
   F(DefineClass, 6, 1)                                     \
   F(DefineClassMethod, 3, 1)                               \
   F(ClassGetSourceCode, 1, 1)                              \
-  F(ThrowNonMethodError, 0, 1)                             \
-  F(ThrowUnsupportedSuperError, 0, 1)                      \
   F(LoadFromSuper, 3, 1)                                   \
   F(LoadKeyedFromSuper, 3, 1)                              \
+  F(ThrowConstructorNonCallableError, 0, 1)                \
+  F(ThrowNonMethodError, 0, 1)                             \
+  F(ThrowUnsupportedSuperError, 0, 1)                      \
   F(StoreToSuper_Strict, 4, 1)                             \
   F(StoreToSuper_Sloppy, 4, 1)                             \
   F(StoreKeyedToSuper_Strict, 4, 1)                        \
-  F(StoreKeyedToSuper_Sloppy, 4, 1)                        \
-  F(DefaultConstructorSuperCall, 0, 1)
+  F(StoreKeyedToSuper_Sloppy, 4, 1)
 
 
 #define RUNTIME_FUNCTION_LIST_ALWAYS_2(F)              \