[turbofan] Relax dependencies due to deopt during instruction scheduling.

src/compiler/ia32/instruction-scheduler-ia32.cc

Index: src/compiler/ia32/instruction-scheduler-ia32.cc
diff --git a/src/compiler/ia32/instruction-scheduler-ia32.cc b/src/compiler/ia32/instruction-scheduler-ia32.cc
index 1c62de5792fe24bba7788a763baedca7978cbdf1..ad7535c7c7a9bba52b754d7c6a810aec7eb2ba35 100644
--- a/src/compiler/ia32/instruction-scheduler-ia32.cc
+++ b/src/compiler/ia32/instruction-scheduler-ia32.cc
@@ -28,8 +28,6 @@ int InstructionScheduler::GetTargetInstructionFlags(
     case kIA32Imul:
     case kIA32ImulHigh:
     case kIA32UmulHigh:
-    case kIA32Idiv:
-    case kIA32Udiv:
     case kIA32Not:
     case kIA32Neg:
     case kIA32Shl:
@@ -103,6 +101,12 @@ int InstructionScheduler::GetTargetInstructionFlags(
           ? kNoOpcodeFlags
           : kIsLoadOperation | kHasSideEffect;
 
+    case kIA32Idiv:
+    case kIA32Udiv:
+      return (instr->addressing_mode() == kMode_None)
+                 ? kMayNeedDeoptCheck
+                 : kMayNeedDeoptCheck | kIsLoadOperation | kHasSideEffect;
+
     case kIA32Movsxbl:
     case kIA32Movzxbl:
     case kIA32Movb: