Ensure LModByPowerOf2I only gets environment when it deopts.

src/mips64/lithium-mips64.cc

Index: src/mips64/lithium-mips64.cc
diff --git a/src/mips64/lithium-mips64.cc b/src/mips64/lithium-mips64.cc
index c2de853e199e297ee58bce29578fa9f62c0e5848..505383de396a68a9ece9243874a6cde13440c2c9 100644
--- a/src/mips64/lithium-mips64.cc
+++ b/src/mips64/lithium-mips64.cc
@@ -1420,7 +1420,8 @@ 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;