Fix invalid assertion with OSR in BuildBinaryOperation.

src/hydrogen.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 8840 matching lines @@
         break;
       case Token::SUB:
         instr = AddUncasted<HSub>(left, right);
         break;
       case Token::MUL:
         instr = AddUncasted<HMul>(left, right);
         break;
       case Token::MOD: {
         if (fixed_right_arg.has_value) {
           if (right->IsConstant()) {
-            ASSERT_EQ(fixed_right_arg.value,
-                      HConstant::cast(right)->Integer32Value());
+            HConstant* c_right = HConstant::cast(right);
+            if (c_right->HasInteger32Value()) {
+              ASSERT_EQ(fixed_right_arg.value, c_right->Integer32Value());
+            }
           } else {
             HConstant* fixed_right = Add<HConstant>(
                 static_cast<int>(fixed_right_arg.value));
             IfBuilder if_same(this);
             if_same.If<HCompareNumericAndBranch>(right, fixed_right, Token::EQ);
             if_same.Then();
             if_same.ElseDeopt("Unexpected RHS of binary operation");
             right = fixed_right;
           }
         }
@@ skipping 1933 matching lines @@
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 } }  // namespace v8::internal