Re-revert "Flush parallel recompilation queues on context dispose notification" (r15883).

test/mjsunit/regress/regress-prepare-break-while-recompile.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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-//       contributors may be used to endorse or promote products derived
-//       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,
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-// 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 --allow-natives-syntax
-// Flags: --parallel-recompilation-delay=300
-
-if (!%IsParallelRecompilationSupported()) {
-  print("Parallel recompilation is disabled. Skipping this test.");
-  quit();
-}
-
-Debug = debug.Debug
-
-function foo() {
-  var x = 1;
-  return x;
-}
-
-function bar() {
-  var x = 2;
-  return x;
-}
-
-foo();
-// Mark and trigger parallel optimization.
-%OptimizeFunctionOnNextCall(foo, "parallel");
-foo();
-
-// Set break points on an unrelated function. This clears both optimized
-// and (shared) unoptimized code on foo, and sets both to lazy-compile builtin.
-// Clear the break point immediately after to deactivate the debugger.
-Debug.setBreakPoint(bar, 0, 0);
-Debug.clearAllBreakPoints();
-
-// Install optimized code when parallel optimization finishes.
-// This needs to be able to deal with shared code being a builtin.
-assertUnoptimized(foo, "sync");
-