[heap] Black allocation.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 9c93a811804ea99a46f764932e47a6e0aa95526c..6b549118f28259fa585cde8747f92ef2481d3154 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -14036,8 +14036,6 @@ void Code::Relocate(intptr_t delta) {
 
 
 void Code::CopyFrom(const CodeDesc& desc) {
-  DCHECK(Marking::Color(this) == Marking::WHITE_OBJECT);
-
   // copy code
   CopyBytes(instruction_start(), desc.buffer,
             static_cast<size_t>(desc.instr_size));
@@ -14061,21 +14059,22 @@ void Code::CopyFrom(const CodeDesc& desc) {
     RelocInfo::Mode mode = it.rinfo()->rmode();
     if (mode == RelocInfo::EMBEDDED_OBJECT) {
       Handle<Object> p = it.rinfo()->target_object_handle(origin);
-      it.rinfo()->set_target_object(*p, SKIP_WRITE_BARRIER, SKIP_ICACHE_FLUSH);
+      it.rinfo()->set_target_object(*p, UPDATE_WRITE_BARRIER,
+                                    SKIP_ICACHE_FLUSH);
     } else if (mode == RelocInfo::CELL) {
       Handle<Cell> cell  = it.rinfo()->target_cell_handle();
-      it.rinfo()->set_target_cell(*cell, SKIP_WRITE_BARRIER, SKIP_ICACHE_FLUSH);
+      it.rinfo()->set_target_cell(*cell, UPDATE_WRITE_BARRIER,
+                                  SKIP_ICACHE_FLUSH);
     } else if (RelocInfo::IsCodeTarget(mode)) {
       // rewrite code handles in inline cache targets to direct
       // pointers to the first instruction in the code object
       Handle<Object> p = it.rinfo()->target_object_handle(origin);
       Code* code = Code::cast(*p);
       it.rinfo()->set_target_address(code->instruction_start(),
-                                     SKIP_WRITE_BARRIER,
-                                     SKIP_ICACHE_FLUSH);
+                                     UPDATE_WRITE_BARRIER, SKIP_ICACHE_FLUSH);
     } else if (RelocInfo::IsRuntimeEntry(mode)) {
       Address p = it.rinfo()->target_runtime_entry(origin);
-      it.rinfo()->set_target_runtime_entry(p, SKIP_WRITE_BARRIER,
+      it.rinfo()->set_target_runtime_entry(p, UPDATE_WRITE_BARRIER,
                                            SKIP_ICACHE_FLUSH);
     } else if (mode == RelocInfo::CODE_AGE_SEQUENCE) {
       Handle<Object> p = it.rinfo()->code_age_stub_handle(origin);