Add m-esr52 at 52.6.0

1 files changed, 74 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/jaeger/recompile/exotic.js b/js/src/jit-test/tests/jaeger/recompile/exotic.js
new file mode 100644
index 000000000..3a00dd362
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/recompile/exotic.js
@@ -0,0 +1,74 @@
+
+// Test exotic ways of triggering recompilation.
+
+// Lowered native call.
+
+var x = 0;
+var y = true;
+for (var i = 0; i < 20; i++) {
+  x += Array.map.apply(undefined, [[0], function(x) { if (i == 10) eval("y = 20"); return 1; }])[0];
+}
+assertEq(x, 20);
+assertEq(y, 20);
+
+// Recompilation triggered by local function.
+
+var o = {};
+function what(q) {
+  function inner() { return q; }
+  o.f = inner;
+  var a = o.f();
+  return a;
+}
+for (var i = 0; i < 10; i++) {
+  var a = what(i);
+  assertEq(a, i);
+}
+
+// Lowered scripted call to apply returning code pointer.
+
+var global = 3;
+function foo(x, y) {
+  var q = x.apply(null, y);
+  if (q != 10)
+    assertEq(global, true);
+}
+foo(function(a) { global = a; return 10; }, [1]);
+foo(function(a) { global = a; return 10; }, [1]);
+foo(function(a) { global = a; return 10; }, [1]);
+assertEq(global, 1);
+foo(function(a) { global = a; return 3; }, [true]);
+assertEq(global, true);
+
+// Lowered scripted call returning NULL.
+
+var oglobal = 3;
+function xfoo(x, y) {
+  var q = x.apply(null, y);
+  if (q != 10)
+    assertEq(oglobal, true);
+}
+xfoo(function(a) { oglobal = a; return 10; }, [1]);
+xfoo(function(a) { oglobal = a; return 10; }, [1]);
+xfoo(function(a) { oglobal = a; return 10; }, [1]);
+assertEq(oglobal, 1);
+xfoo(function(a) { [1,2,3]; oglobal = a; return 3; }, [true]);
+assertEq(oglobal, true);
+
+// Recompilation out of SplatApplyArgs.
+
+weirdarray = [,,1,2,3];
+Object.defineProperty(weirdarray, 0, {get: function() { vglobal = 'true'; }});
+
+var vglobal = 3;
+function yfoo(x, y) {
+  var q = x.apply(null, y);
+  if (q != 10)
+    assertEq(vglobal, 'true');
+  else
+    assertEq(vglobal, 3);
+}
+yfoo(function(a) { return 10; }, [1]);
+yfoo(function(a) { return 10; }, [1]);
+yfoo(function(a) { return 10; }, [1]);
+yfoo(function() { return 0; }, weirdarray);