[crankshaft] [turbofan] Fix environment handling when generating a tail call from inlined function.

src/compiler/instruction-selector.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/instruction-selector.h"
 
 #include <limits>
 
 #include "src/base/adapters.h"
 #include "src/compiler/instruction-selector-impl.h"
@@ skipping 597 matching lines @@
   // follows (n is the number of value inputs to the frame state):
   // arg 1               : deoptimization id.
   // arg 2 - arg (n + 1) : value inputs to the frame state.
   size_t frame_state_entries = 0;
   USE(frame_state_entries);  // frame_state_entries is only used for debug.
   if (buffer->frame_state_descriptor != nullptr) {
     Node* frame_state =
         call->InputAt(static_cast<int>(buffer->descriptor->InputCount()));
 
     // If it was a syntactic tail call we need to drop the current frame and
-    // an arguments adaptor frame on top of it (if the latter is present).
+    // all the frames on top of it that are either an arguments adaptor frame
+    // or a tail caller frame.
     if (buffer->descriptor->SupportsTailCalls()) {
       frame_state = NodeProperties::GetFrameStateInput(frame_state, 0);
       buffer->frame_state_descriptor =
           buffer->frame_state_descriptor->outer_state();
-
-      if (buffer->frame_state_descriptor != nullptr &&
-          buffer->frame_state_descriptor->type() ==
-              FrameStateType::kArgumentsAdaptor) {
+      while (buffer->frame_state_descriptor != nullptr &&
+             (buffer->frame_state_descriptor->type() ==
+                  FrameStateType::kArgumentsAdaptor ||
+              buffer->frame_state_descriptor->type() ==
+                  FrameStateType::kTailCallerFunction)) {
         frame_state = NodeProperties::GetFrameStateInput(frame_state, 0);
         buffer->frame_state_descriptor =
             buffer->frame_state_descriptor->outer_state();
       }
     }
 
     InstructionSequence::StateId state_id =
         sequence()->AddFrameStateDescriptor(buffer->frame_state_descriptor);
     buffer->instruction_args.push_back(g.TempImmediate(state_id.ToInt()));
 
@@ skipping 1156 matching lines @@
   return new (instruction_zone()) FrameStateDescriptor(
       instruction_zone(), state_info.type(), state_info.bailout_id(),
       state_info.state_combine(), parameters, locals, stack,
       state_info.shared_info(), outer_state);
 }
 
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8