Skip parallel recompilation tests if parallel recompilation is disabled.

test/mjsunit/parallel-initial-prototype-change.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
@@ skipping 10 matching lines @@
 // 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: --allow-natives-syntax
 // Flags: --parallel-recompilation --parallel-recompilation-delay=50
 
+if (!%IsParallelRecompilationSupported()) {
+  print("Parallel recompilation is disabled. Skipping this test.");
+  quit();
+}
+
 function assertUnoptimized(fun) {
   assertTrue(%GetOptimizationStatus(fun) != 1);
 }
 
 function f1(a, i) {
   return a[i] + 0.5;
 }
 
 var arr = [0.0,,2.5];
 assertEquals(0.5, f1(arr, 0));
 assertEquals(0.5, f1(arr, 0));
 
 // Optimized code of f1 depends on initial object and array maps.
 %OptimizeFunctionOnNextCall(f1, "parallel");
 assertEquals(0.5, f1(arr, 0));
 assertUnoptimized(f1);      // Not yet optimized.
 Object.prototype[1] = 1.5;  // Invalidate current initial object map.
 assertEquals(2, f1(arr, 1));
 %CompleteOptimization(f1);  // Conclude optimization with...
 assertUnoptimized(f1);      // ... bailing out due to map dependency.