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

src/ia32/assembler-ia32-inl.h

Index: src/ia32/assembler-ia32-inl.h
diff --git a/src/ia32/assembler-ia32-inl.h b/src/ia32/assembler-ia32-inl.h
index ee5d991e38a02bae2f722365a4ac7c06e627a3c5..0c3519720ff3e0efb72fce05af1c9413db00af6a 100644
--- a/src/ia32/assembler-ia32-inl.h
+++ b/src/ia32/assembler-ia32-inl.h
@@ -97,6 +97,12 @@ Address RelocInfo::target_address_address() {
 }
 
 
+Address RelocInfo::constant_pool_entry_address() {
+  UNREACHABLE();
+  return NULL;
+}
+
+
 int RelocInfo::target_address_size() {
   return Assembler::kSpecialTargetSize;
 }