Use ShouldEnsureSpaceForLazyDeopt more.

src/x87/lithium-codegen-x87.cc

Index: src/x87/lithium-codegen-x87.cc
diff --git a/src/x87/lithium-codegen-x87.cc b/src/x87/lithium-codegen-x87.cc
index ef8ee0eaa140c2e016e6a46b9cdaf924f7895485..e5a66ace2b02e7254910d11589743882011b4e03 100644
--- a/src/x87/lithium-codegen-x87.cc
+++ b/src/x87/lithium-codegen-x87.cc
@@ -77,7 +77,7 @@ void LCodeGen::FinishCode(Handle<Code> code) {
   code->set_stack_slots(GetStackSlotCount());
   code->set_safepoint_table_offset(safepoints_.GetCodeOffset());
   PopulateDeoptimizationData(code);
-  if (!info()->IsStub()) {
+  if (info()->ShouldEnsureSpaceForLazyDeopt()) {
     Deoptimizer::EnsureRelocSpaceForLazyDeoptimization(code);
   }
 }
@@ -497,7 +497,7 @@ bool LCodeGen::GenerateDeferredCode() {
 
 bool LCodeGen::GenerateSafepointTable() {
   DCHECK(is_done());
-  if (!info()->IsStub()) {
+  if (info()->ShouldEnsureSpaceForLazyDeopt()) {
     // For lazy deoptimization we need space to patch a call after every call.
     // Ensure there is always space for such patching, even if the code ends
     // in a call.
@@ -1093,7 +1093,6 @@ void LCodeGen::DeoptimizeIf(Condition cc, LInstruction* instr,
   RegisterEnvironmentForDeoptimization(environment, Safepoint::kNoLazyDeopt);
   DCHECK(environment->HasBeenRegistered());
   int id = environment->deoptimization_index();
-  DCHECK(info()->IsOptimizing() || info()->IsStub());
   Address entry =
       Deoptimizer::GetDeoptimizationEntry(isolate(), id, bailout_type);
   if (entry == NULL) {
@@ -6096,7 +6095,7 @@ void LCodeGen::EmitIsConstructCall(Register temp) {
 
 
 void LCodeGen::EnsureSpaceForLazyDeopt(int space_needed) {
-  if (!info()->IsStub()) {
+  if (info()->ShouldEnsureSpaceForLazyDeopt()) {
     // Ensure that we have enough space after the previous lazy-bailout
     // instruction for patching the code here.
     int current_pc = masm()->pc_offset();