Make RUNTIME_ASSERT have more useful output in debug mode

src/runtime/runtime-internal.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/ast/prettyprinter.h"
 #include "src/bootstrapper.h"
 #include "src/conversions.h"
@@ skipping 299 matching lines @@
   CONVERT_ARG_HANDLE_CHECKED(String, arg1, 2);
   CONVERT_ARG_HANDLE_CHECKED(String, arg2, 3);
   Handle<String> result;
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
       isolate, result,
       MessageTemplate::FormatMessage(template_index, arg0, arg1, arg2));
   isolate->native_context()->IncrementErrorsThrown();
   return *result;
 }
 
-
 #define CALLSITE_GET(NAME, RETURN)                          \
   RUNTIME_FUNCTION(Runtime_CallSite##NAME##RT) {            \
     HandleScope scope(isolate);                             \
     DCHECK(args.length() == 1);                             \
     CONVERT_ARG_HANDLE_CHECKED(JSObject, call_site_obj, 0); \
     Handle<String> result;                                  \
     CallSite call_site(isolate, call_site_obj);             \
-    RUNTIME_ASSERT(call_site.IsValid())                     \
+    RUNTIME_ASSERT(call_site.IsValid());                    \
     return RETURN(call_site.NAME(), isolate);               \
   }
 
 static inline Object* ReturnDereferencedHandle(Handle<Object> obj,
                                                Isolate* isolate) {
   return *obj;
 }
 
 
 static inline Object* ReturnPositiveNumberOrNull(int value, Isolate* isolate) {
@@ skipping 145 matching lines @@
   std::stringstream stats_stream;
   isolate->counters()->runtime_call_stats()->Print(stats_stream);
   Handle<String> result =
       isolate->factory()->NewStringFromAsciiChecked(stats_stream.str().c_str());
   isolate->counters()->runtime_call_stats()->Reset();
   return *result;
 }
 
 }  // namespace internal
 }  // namespace v8