Skip parallel recompilation tests if parallel recompilation is disabled.

test/mjsunit/parallel-optimize-disabled.js

Index: test/mjsunit/parallel-optimize-disabled.js
diff --git a/test/mjsunit/parallel-optimize-disabled.js b/test/mjsunit/parallel-optimize-disabled.js
index 479684d40721d37124081a7d8f99e0be2696d6c3..b56303e08f4f14aec362764becec0f5b75d7cbb6 100644
--- a/test/mjsunit/parallel-optimize-disabled.js
+++ b/test/mjsunit/parallel-optimize-disabled.js
@@ -28,6 +28,11 @@
 // Flags: --nodead-code-elimination --parallel-recompilation
 // Flags: --allow-natives-syntax
 
+if (!%IsParallelRecompilationSupported()) {
+  print("Parallel recompilation is disabled. Skipping this test.");
+  quit();
+}
+
 function g() {  // g() cannot be optimized.
   const x = 1;
   x++;