Preserve LICM information for check instructions during assertion strengthening.

runtime/vm/intermediate_language.h

Index: runtime/vm/intermediate_language.h
diff --git a/runtime/vm/intermediate_language.h b/runtime/vm/intermediate_language.h
index bafe5f86f66bf0cfe93fc75ae59e73412d48b104..bf0e180487acd119a8e76a11f3a4d255d963d6ae 100644
--- a/runtime/vm/intermediate_language.h
+++ b/runtime/vm/intermediate_language.h
@@ -7792,6 +7792,7 @@ class CheckClassInstr : public TemplateInstruction<1, NoThrow> {
   virtual EffectSet Effects() const { return EffectSet::None(); }
   virtual bool AttributesEqual(Instruction* other) const;
 
+  bool licm_hoisted() const { return licm_hoisted_; }
   void set_licm_hoisted(bool value) { licm_hoisted_ = value; }
 
   PRINT_OPERANDS_TO_SUPPORT
@@ -7827,6 +7828,7 @@ class CheckSmiInstr : public TemplateInstruction<1, NoThrow, Pure> {
 
   virtual bool AttributesEqual(Instruction* other) const { return true; }
 
+  bool licm_hoisted() const { return licm_hoisted_; }
   void set_licm_hoisted(bool value) { licm_hoisted_ = value; }
 
  private: