diff --git a/src/deoptimizer/deoptimizer.cc b/src/deoptimizer/deoptimizer.cc
index 4cc111cd09..a4606970bd 100644
--- a/src/deoptimizer/deoptimizer.cc
+++ b/src/deoptimizer/deoptimizer.cc
@@ -3991,6 +3991,9 @@ void TranslatedState::StoreMaterializedValuesAndDeopt(JavaScriptFrame* frame) {
 
     if (!value.is_identical_to(marker)) {
       if (previously_materialized_objects->get(i) == *marker) {
+        if (value->IsSmi()) {
+          value = isolate()->factory()->NewHeapNumber(value->Number());
+        }
         previously_materialized_objects->set(i, *value);
         value_changed = true;
       } else {
diff --git a/test/mjsunit/compiler/regress-1092650.js b/test/mjsunit/compiler/regress-1092650.js
new file mode 100644
index 0000000000..ba94375aeb
--- /dev/null
+++ b/test/mjsunit/compiler/regress-1092650.js
@@ -0,0 +1,23 @@
+// Copyright 2020 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax
+
+// Create map with HeapNumber in field 'a'
+({a: 2**30});
+
+function foo() {
+  return foo.arguments[0];
+}
+
+function main() {
+  foo({a: 42});
+}
+
+%PrepareFunctionForOptimization(foo);
+%PrepareFunctionForOptimization(main);
+main();
+main();
+%OptimizeFunctionOnNextCall(main);
+main();