[crankshaft] Support inlining of function calls in tail position (in ES6 sense).

src/crankshaft/arm/lithium-arm.cc

Index: src/crankshaft/arm/lithium-arm.cc
diff --git a/src/crankshaft/arm/lithium-arm.cc b/src/crankshaft/arm/lithium-arm.cc
index 27f01925d67854f3d999a7166679bec3ccd4bb6f..f7bcb3f6ca8e5f21ac49ff327c5d261d30d25c60 100644
--- a/src/crankshaft/arm/lithium-arm.cc
+++ b/src/crankshaft/arm/lithium-arm.cc
@@ -2477,11 +2477,9 @@ LInstruction* LChunkBuilder::DoEnterInlined(HEnterInlined* instr) {
   HEnvironment* outer = current_block_->last_environment();
   outer->set_ast_id(instr->ReturnId());
   HConstant* undefined = graph()->GetConstantUndefined();
-  HEnvironment* inner = outer->CopyForInlining(instr->closure(),
-                                               instr->arguments_count(),
-                                               instr->function(),
-                                               undefined,
-                                               instr->inlining_kind());
+  HEnvironment* inner = outer->CopyForInlining(
+      instr->closure(), instr->arguments_count(), instr->function(), undefined,
+      instr->inlining_kind(), instr->syntactic_tail_call_mode());
   // Only replay binding of arguments object if it wasn't removed from graph.
   if (instr->arguments_var() != NULL && instr->arguments_object()->IsLinked()) {
     inner->Bind(instr->arguments_var(), instr->arguments_object());