nodejs
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‎deps/v8/include/v8-version.h‎
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‎deps/v8/include/v8-version.h‎
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‎deps/v8/src/compiler/escape-analysis.cc‎
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‎deps/v8/src/compiler/escape-analysis.cc‎
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‎deps/v8/test/mjsunit/compiler/escape-analysis-17.js‎
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‎deps/v8/test/mjsunit/compiler/escape-analysis-17.js‎
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@@ -11,7 +11,7 @@
 #define V8_MAJOR_VERSION 5
 #define V8_MINOR_VERSION 9
 #define V8_BUILD_NUMBER 211
-#define V8_PATCH_LEVEL 35
+#define V8_PATCH_LEVEL 37
 
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)
 
@@ -853,6 +853,13 @@ bool EscapeStatusAnalysis::CheckUsesForEscape(Node* uses, Node* rep,
       case IrOpcode::kObjectIsString:
       case IrOpcode::kObjectIsSymbol:
       case IrOpcode::kObjectIsUndetectable:
+      case IrOpcode::kNumberLessThan:
+      case IrOpcode::kNumberLessThanOrEqual:
+      case IrOpcode::kNumberEqual:
+#define CASE(opcode) case IrOpcode::k##opcode:
+        SIMPLIFIED_NUMBER_BINOP_LIST(CASE)
+        SIMPLIFIED_NUMBER_UNOP_LIST(CASE)
+#undef CASE
         if (SetEscaped(rep)) {
           TRACE("Setting #%d (%s) to escaped because of use by #%d (%s)\n",
                 rep->id(), rep->op()->mnemonic(), use->id(),
 
@@ -0,0 +1,27 @@
+// Copyright 2017 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 --turbo-escape
+
+function foo() {
+  var a = {x:1};
+  var b = {x:1.5, y: 1};
+  var x = 0;
+  for (var i = 0; i < 1; i = {}) {
+    // The second iteration of this loop is dead code, leading to a
+    // contradiction between dynamic and static information.
+    x += a.x + 0.5;
+    x += a.x % 0.5;
+    x += Math.abs(a.x);
+    x += a.x < 6;
+    x += a.x === 7;
+    x += a.x <= 8;
+    a = b;
+  }
+  return x;
+}
+foo();
+foo();
+%OptimizeFunctionOnNextCall(foo);
+foo();