Ensure LModByPowerOf2I only gets environment when it deopts.

src/x87/lithium-x87.cc

Index: src/x87/lithium-x87.cc
diff --git a/src/x87/lithium-x87.cc b/src/x87/lithium-x87.cc
index 361b20be0b2fd2ffc8feec862de0c6870b821949..a32e78ab50ea11d3ecc841264566e30a1363a8ce 100644
--- a/src/x87/lithium-x87.cc
+++ b/src/x87/lithium-x87.cc
@@ -1451,7 +1451,8 @@ LInstruction* LChunkBuilder::DoModByPowerOf2I(HMod* instr) {
   int32_t divisor = instr->right()->GetInteger32Constant();
   LInstruction* result = DefineSameAsFirst(new(zone()) LModByPowerOf2I(
           dividend, divisor));
-  if (instr->CheckFlag(HValue::kBailoutOnMinusZero)) {
+  if (instr->CheckFlag(HValue::kLeftCanBeNegative) &&
+      instr->CheckFlag(HValue::kBailoutOnMinusZero)) {
     result = AssignEnvironment(result);
   }
   return result;