Remove uses of RangeCanInclude() in flooring division by power of 2.

src/x64/lithium-x64.cc

Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index 37395646af978ec4aa3f8a01c87c150b618bf959..625b4f4ce5f57c7f450c9176aa6c322369e0eada 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -1330,12 +1330,13 @@ LInstruction* LChunkBuilder::DoDiv(HDiv* instr) {
 LInstruction* LChunkBuilder::DoFlooringDivByPowerOf2I(HMathFloorOfDiv* instr) {
   LOperand* dividend = UseRegisterAtStart(instr->left());
   int32_t divisor = instr->right()->GetInteger32Constant();
-  LInstruction* result =
-      DefineSameAsFirst(new(zone()) LFlooringDivByPowerOf2I(dividend, divisor));
-  bool can_deopt =
-      (instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0) ||
-      (instr->left()->RangeCanInclude(kMinInt) && divisor == -1);
-  return can_deopt ? AssignEnvironment(result) : result;
+  LInstruction* result = DefineSameAsFirst(new(zone()) LFlooringDivByPowerOf2I(
+          dividend, divisor));
+  if ((instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0) ||
+      (instr->CheckFlag(HValue::kLeftCanBeMinInt) && divisor == -1)) {
+    result = AssignEnvironment(result);
+  }
+  return result;
 }