Deopt on overflow in integer mod.

src/hydrogen-instructions.cc

Index: src/hydrogen-instructions.cc
diff --git a/src/hydrogen-instructions.cc b/src/hydrogen-instructions.cc
index d46ae2fd02b5066ccf5929b0d5491403eee5f23f..a05fa204252993b1b29b51c11747120f76845146 100644
--- a/src/hydrogen-instructions.cc
+++ b/src/hydrogen-instructions.cc
@@ -1342,6 +1342,11 @@ Range* HMod::InferRange(Zone* zone) {
     if (a->CanBeMinusZero() || a->CanBeNegative()) {
       result->set_can_be_minus_zero(true);
     }
+
+    if (right()->range()->Includes(-1) && left()->range()->Includes(kMinInt)) {
+      SetFlag(HValue::kCanOverflow);
+    }
+
     if (!right()->range()->CanBeZero()) {
       ClearFlag(HValue::kCanBeDivByZero);
     }