Reland of [ignition/turbo] Perform liveness analysis on the bytecodes

test/mjsunit/modules-debug-scopes1.js

 // Copyright 2016 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.
 
 // MODULE
-// Flags: --expose-debug-as debug --allow-natives-syntax
+// Flags: --expose-debug-as debug --allow-natives-syntax --noanalyze-environment-liveness
 
 // These tests are copied from mjsunit/debug-scopes.js and adapted for modules.
 
 
 var Debug = debug.Debug;
 
 var test_name;
 var listener_delegate;
 var listener_called;
 var exception;
@@ skipping 853 matching lines @@
   CheckScopeChainPositions([{start: 89, end: 183}, {start: 27, end: 217}],
                            exec_state);
 }
 eval(code8);
 EndTest();
 
 assertEquals(begin_test_count, break_count,
              'one or more tests did not enter the debugger');
 assertEquals(begin_test_count, end_test_count,
              'one or more tests did not have its result checked');