Fix regressions triggered by map invalidation during graph creation.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 58fb40b42369093285fd521e163e00d84488d16f..d97c2ec7b686e6df6697af2217647aa0a78684a0 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -11354,6 +11354,7 @@ bool DependentCode::Contains(DependencyGroup group, Code* code) {
 void DependentCode::DeoptimizeDependentCodeGroup(
     Isolate* isolate,
     DependentCode::DependencyGroup group) {
+  ASSERT(AllowMapInvalidation::IsAllowed());
   DisallowHeapAllocation no_allocation_scope;
   DependentCode::GroupStartIndexes starts(this);
   int start = starts.at(group);