Fix hot reload test mode in simdbc by supporting forced slow paths on simdbc

runtime/vm/intermediate_language_dbc.cc

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_DBC.
 #if defined(TARGET_ARCH_DBC)
 
 #include "vm/intermediate_language.h"
 
 #include "vm/cpu.h"
@@ skipping 276 matching lines @@
 
 EMIT_NATIVE_CODE(Stop, 0) {
   __ Stop(message());
 }
 
 
 EMIT_NATIVE_CODE(CheckStackOverflow,
                  0,
                  Location::NoLocation(),
                  LocationSummary::kCall) {
-  __ CheckStack();
+  if (compiler->ForceSlowPathForStackOverflow()) {
+    __ CheckStackAlwaysExit();
+  } else {
+    __ CheckStack();
+  }
   compiler->AddCurrentDescriptor(RawPcDescriptors::kOther, deopt_id(),
                                  token_pos());
   compiler->RecordAfterCall(this);
 }
 
 
 EMIT_NATIVE_CODE(PushArgument, 1) {
   if (compiler->is_optimizing()) {
     __ Push(locs()->in(0).reg());
   }
@@ skipping 1684 matching lines @@
   }
   __ IfULe(length, index);
   compiler->EmitDeopt(deopt_id(), ICData::kDeoptCheckArrayBound,
                       (generalized_ ? ICData::kGeneralized : 0) |
                           (licm_hoisted_ ? ICData::kHoisted : 0));
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_DBC