Version 5.1.281.38 (cherry-pick)

src/compiler/simplified-lowering.cc

Index: src/compiler/simplified-lowering.cc
diff --git a/src/compiler/simplified-lowering.cc b/src/compiler/simplified-lowering.cc
index 255699f0f25814f8b5fb9db4eb014e195cf29414..88931f5df7eaa18019138869c00c3ab3b7990b4d 100644
--- a/src/compiler/simplified-lowering.cc
+++ b/src/compiler/simplified-lowering.cc
@@ -962,6 +962,12 @@ class RepresentationSelector {
         }
         break;
       }
+      case IrOpcode::kNumberImul: {
+        VisitBinop(node, UseInfo::TruncatingWord32(),
+                   UseInfo::TruncatingWord32(), MachineRepresentation::kWord32);
+        if (lower()) NodeProperties::ChangeOp(node, Uint32Op(node));
+        break;
+      }
       case IrOpcode::kNumberClz32: {
         VisitUnop(node, UseInfo::TruncatingWord32(),
                   MachineRepresentation::kWord32);