tests/stress/function-sinking-no-double-allocate.js

   1 function call(o) { o.x = 3; }
   2 noInline(call);
   3
   4 function sink (p, q) {
   5     var f = function () { };
   6     if (p) {
   7         call(f); // Force allocation of f
   8         if (q) {
   9             OSRExit();
  10         }
  11         return f;
  12     }
  13     return { 'x': 2 };
  14 }
  15 noInline(sink);
  16
  17 for (var i = 0; i < 100000; ++i) {
  18     var o = sink(true, false);
  19     if (o.x != 3)
  20         throw "Error: expected o.x to be 2 but is " + result;
  21 }
  22
  23 // At this point, the function should be compiled down to the FTL
  24
  25 // Check that the function is properly allocated on OSR exit
  26 var f = sink(true, true);
  27 if (f.x != 3)
  28     throw "Error: expected o.x to be 3 but is " + result;