Revision f230a1cf deps/v8/test/mjsunit/regress/regress-embedded-cons-string.js

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deps/v8/test/mjsunit/regress/regress-embedded-cons-string.js
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// Flags: --fold-constants --nodead-code-elimination


  		




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// Flags: --expose-gc --allow-natives-syntax


  		




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// Flags: --concurrent-recompilation --concurrent-recompilation-delay=300


  		




  
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// Flags: --concurrent-recompilation --block-concurrent-recompilation


  		




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if (!%IsConcurrentRecompilationSupported()) {


  		




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  print("Concurrent recompilation is disabled. Skipping this test.");


  		




  ......




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  fun();


  		




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  // Mark for concurrent optimization.


  		




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  %OptimizeFunctionOnNextCall(fun, "concurrent");


  		




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  //Trigger optimization in the background.


  		




  
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  // Kick off recompilation.


  		




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  fun();


  		




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  //Tenure cons string.


  		




  
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  // Tenure cons string after compile graph has been created.


  		




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  gc();


  		




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  // In the mean time, concurrent recompiling is not complete yet.


  		




  
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  // In the mean time, concurrent recompiling is still blocked.


  		




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  assertUnoptimized(fun, "no sync");


  		




  
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  // Let concurrent recompilation proceed.


  		




  
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  %UnblockConcurrentRecompilation();


  		




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  // Concurrent recompilation eventually finishes, embeds tenured cons string.


  		




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  assertOptimized(fun, "sync");


  		




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  // Visit embedded cons string during mark compact.


  		












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