Special case the recording of constant pool entries in the slot buffer.

src/arm/assembler-arm-inl.h

Index: src/arm/assembler-arm-inl.h
diff --git a/src/arm/assembler-arm-inl.h b/src/arm/assembler-arm-inl.h
index 3399958ee3d1767b8f753b8a4309a6c24f15ffd9..e388ed5b9f3131f84d868c6af014a6374a6b66c2 100644
--- a/src/arm/assembler-arm-inl.h
+++ b/src/arm/assembler-arm-inl.h
@@ -113,6 +113,13 @@ Address RelocInfo::target_address_address() {
 }
 
 
+Address RelocInfo::constant_pool_entry_address() {
+  ASSERT(IsInConstantPool());
+  ASSERT(Assembler::IsLdrPcImmediateOffset(Memory::int32_at(pc_)));
+  return Assembler::target_pointer_address_at(pc_);
+}
+
+
 int RelocInfo::target_address_size() {
   return kPointerSize;
 }