Disable merging simulates across captured objects.

src/hydrogen-removable-simulates.cc

Index: src/hydrogen-removable-simulates.cc
diff --git a/src/hydrogen-removable-simulates.cc b/src/hydrogen-removable-simulates.cc
index a28021deb882b1e9896d706187fc1bb797e6bdd4..73d7a8e0583eb9c53946c33b80f54dc98948126f 100644
--- a/src/hydrogen-removable-simulates.cc
+++ b/src/hydrogen-removable-simulates.cc
@@ -53,6 +53,13 @@ class State : public ZoneObject {
       FlushSimulates();
       return this;
     }
+    if (instr->IsCapturedObject()) {
+      // Do not merge simulates across captured objects - captured objects
+      // change environments during environment replay, and such changes
+      // would not be reflected in the simulate.
+      FlushSimulates();
+      return this;
+    }
     // Skip the non-simulates and the first simulate.
     if (!instr->IsSimulate()) return this;
     if (first_) {