Remove instrumentation for Code::CopyFrom crasher.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index f330a5ebbede7037b807303cae021467e79a6fa1..dbbec582228aad3e6d7b610d2a51d44205461ab9 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -8813,19 +8813,12 @@ void Code::CopyFrom(const CodeDesc& desc) {
   ASSERT(Marking::Color(this) == Marking::WHITE_OBJECT);
 
   // copy code
-  CHECK(IsCode());
-  CHECK(relocation_info()->IsByteArray());
-  CHECK(reinterpret_cast<intptr_t>(instruction_start()) ==
-        reinterpret_cast<intptr_t>(this) + Code::kHeaderSize - kHeapObjectTag);
-  CopyBytes<byte>(instruction_start(), desc.buffer, desc.instr_size);
+  CopyBytes(instruction_start(), desc.buffer, desc.instr_size);
 
   // copy reloc info
-  // TODO(mstarzinger): Remove once we found the bug.
-  CHECK(IsCode());
-  CHECK(relocation_info()->IsByteArray());
-  CopyBytes<byte>(relocation_start(),
-                  desc.buffer + desc.buffer_size - desc.reloc_size,
-                  desc.reloc_size);
+  CopyBytes(relocation_start(),
+            desc.buffer + desc.buffer_size - desc.reloc_size,
+            desc.reloc_size);
 
   // unbox handles and relocate
   intptr_t delta = instruction_start() - desc.buffer;