Support compaction for code space pages.

src/ia32/deoptimizer-ia32.cc

Index: src/ia32/deoptimizer-ia32.cc
diff --git a/src/ia32/deoptimizer-ia32.cc b/src/ia32/deoptimizer-ia32.cc
index b1fb35bfa9e485b50eae865b31976866315124c3..755f9b0b5162b795c9af325747f08c44da3e2a70 100644
--- a/src/ia32/deoptimizer-ia32.cc
+++ b/src/ia32/deoptimizer-ia32.cc
@@ -252,10 +252,12 @@ void Deoptimizer::PatchStackCheckCodeAt(Code* unoptimized_code,
   Assembler::set_target_address_at(call_target_address,
                                    replacement_code->entry());
 
-  // TODO(1550) We are passing NULL as a slot because code can never be on
-  // evacuation candidate.
-  unoptimized_code->GetHeap()->incremental_marking()->RecordWrite(
-      unoptimized_code, NULL, replacement_code);
+  RelocInfo rinfo(call_target_address,
+                  RelocInfo::CODE_TARGET,
+                  NULL,
+                  unoptimized_code);
+  unoptimized_code->GetHeap()->incremental_marking()->RecordWriteIntoCode(
+      unoptimized_code, &rinfo, replacement_code);
 }
 
 
@@ -274,7 +276,9 @@ void Deoptimizer::RevertStackCheckCodeAt(Address pc_after,
   *(call_target_address - 2) = 0x07;  // offset
   Assembler::set_target_address_at(call_target_address,
                                    check_code->entry());
-  check_code->GetHeap()->incremental_marking()->RecordWriteOf(check_code);
+
+  check_code->GetHeap()->incremental_marking()->
+      RecordCodeTargetPatch(call_target_address, check_code);
 }