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

src/ia32/lithium-ia32.cc

Index: src/ia32/lithium-ia32.cc
diff --git a/src/ia32/lithium-ia32.cc b/src/ia32/lithium-ia32.cc
index 2435174de33fdb21bf2f6a2203df69322510231c..930b7ed8784f5bde81c081566a3f0580e8522343 100644
--- a/src/ia32/lithium-ia32.cc
+++ b/src/ia32/lithium-ia32.cc
@@ -1409,12 +1409,13 @@ 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;
 }