Removal of the deoptimization block from Turbofan

test/mjsunit/regress/regress-crbug-171715.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
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 //       from this software without specific prior written permission.
 //
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 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Flags: --expose-debug-as debug
+// Flags: --turbo-deoptimization
 
 Debug = debug.Debug
 
 var error = null;
 var test = 0;
 
 function check_v(expected, exec_state, frame_id) {
   assertEquals(expected, exec_state.frame(frame_id).evaluate('v').value());
 }
 
@@ skipping 39 matching lines @@
 })("a", "b", "c");
 assertNull(error);
 
 (function() {  // Test 3
   var v = 'inner0';  // Local eval overwrites this value.
   eval("var v = 'inner1'; " +
        "(function() { var v = 'inner2'; debugger; })('x', 'y', 'z');");
   assertEquals('inner1', v);  // Overwritten by local eval.
 })("a", "b", "c");
 assertNull(error);