[coverage] Block coverage with support for IfStatements

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 2eeac7f7e0bd47e41517df2ca7f4f7ee459149eb..3481956101c7786a1a0773e6d18082f048537893 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -75,6 +75,7 @@ TYPE_CHECKER(CallHandlerInfo, TUPLE2_TYPE)
 TYPE_CHECKER(Cell, CELL_TYPE)
 TYPE_CHECKER(Code, CODE_TYPE)
 TYPE_CHECKER(ConstantElementsPair, TUPLE2_TYPE)
+TYPE_CHECKER(CoverageInfo, FIXED_ARRAY_TYPE)
 TYPE_CHECKER(FixedDoubleArray, FIXED_DOUBLE_ARRAY_TYPE)
 TYPE_CHECKER(Foreign, FOREIGN_TYPE)
 TYPE_CHECKER(FreeSpace, FREE_SPACE_TYPE)
@@ -1208,6 +1209,7 @@ Object** HeapObject::RawField(HeapObject* obj, int byte_offset) {
   return reinterpret_cast<Object**>(FIELD_ADDR(obj, byte_offset));
 }
 
+int Smi::ToInt(Object* o) { return Smi::cast(o)->value(); }
 
 MapWord MapWord::FromMap(const Map* map) {
   return MapWord(reinterpret_cast<uintptr_t>(map));