MIPS: Fixed environment handling for LFlooringDivI.

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 664fdd0846f017e12ecf010d5d792713fc481730..c2192944346ef3240d5a26282bbf9bca87624ed0 100644
--- a/src/mips64/lithium-mips64.cc
+++ b/src/mips64/lithium-mips64.cc
@@ -1402,8 +1402,14 @@ LInstruction* LChunkBuilder::DoFlooringDivI(HMathFloorOfDiv* instr) {
   DCHECK(instr->right()->representation().Equals(instr->representation()));
   LOperand* dividend = UseRegister(instr->left());
   LOperand* divisor = UseRegister(instr->right());
-  LFlooringDivI* div = new(zone()) LFlooringDivI(dividend, divisor);
-  return AssignEnvironment(DefineAsRegister(div));
+  LInstruction* result =
+      DefineAsRegister(new (zone()) LFlooringDivI(dividend, divisor));
+  if (instr->CheckFlag(HValue::kCanBeDivByZero) ||
+      instr->CheckFlag(HValue::kBailoutOnMinusZero) ||
+      (instr->CheckFlag(HValue::kCanOverflow))) {
+    result = AssignEnvironment(result);
+  }
+  return result;
 }