Reland "Soft fail for invalid cache data."

src/compiler.cc

 // Copyright 2012 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/v8.h"
 
 #include "src/compiler.h"
 
 #include "src/ast-numbering.h"
 #include "src/bootstrapper.h"
@@ skipping 16 matching lines @@
 #include "src/scopeinfo.h"
 #include "src/scopes.h"
 #include "src/typing.h"
 #include "src/vm-state-inl.h"
 
 namespace v8 {
 namespace internal {
 
 
 ScriptData::ScriptData(const byte* data, int length)
-    : owns_data_(false), data_(data), length_(length) {
+    : owns_data_(false), rejected_(false), data_(data), length_(length) {
   if (!IsAligned(reinterpret_cast<intptr_t>(data), kPointerAlignment)) {
     byte* copy = NewArray<byte>(length);
     DCHECK(IsAligned(reinterpret_cast<intptr_t>(copy), kPointerAlignment));
     CopyBytes(copy, data, length);
     data_ = copy;
     AcquireDataOwnership();
   }
 }
 
 
@@ skipping 1446 matching lines @@
   AllowHandleDereference allow_deref;
   bool tracing_on = info()->IsStub()
       ? FLAG_trace_hydrogen_stubs
       : (FLAG_trace_hydrogen &&
          info()->closure()->PassesFilter(FLAG_trace_hydrogen_filter));
   return (tracing_on &&
       base::OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL);
 }
 
 } }  // namespace v8::internal