tests/stress/varargs-inlined-simple-exit-aliasing.js

   1 function foo(a, b) {
   2     return a + b;
   3 }
   4
   5 function verify(a, b) {
   6     if (a !== b)
   7         throw "Error: the two arguments objects aren't identical.";
   8     if (a[0] !== 42)
   9         throw "Error: the first argument isn't 42 (a).";
  10     if (b[0] !== 42)
  11         throw "Error: the first argument isn't 42 (b).";
  12 }
  13
  14 noInline(verify);
  15
  16 var global = false;
  17 function bar(x) {
  18     var a = arguments;
  19     if (global) {
  20         x = 42;
  21         verify(arguments, a);
  22     }
  23     return foo.apply(null, a);
  24 }
  25
  26 function baz(a, b) {
  27     return bar(a, b);
  28 }
  29
  30 noInline(baz);
  31
  32 for (var i = 0; i < 10000; ++i) {
  33     var result = baz(1, 2);
  34     if (result != 1 + 2)
  35         throw "Error: bad result: " + result;
  36 }
  37
  38 global = true;
  39 var result = baz(1, 2);
  40 if (result != 42 + 2)
  41     throw "Error: bad result at end: " + result;