JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / tests / stress / function-sinking-no-double-allocate.js

diff --git a/tests/stress/function-sinking-no-double-allocate.js b/tests/stress/function-sinking-no-double-allocate.js
new file mode 100644 (file)
index 0000000..4f2f551
--- /dev/null
+++ b/tests/stress/function-sinking-no-double-allocate.js
@@ -0,0 +1,28 @@
+function call(o) { o.x = 3; }
+noInline(call);
+
+function sink (p, q) {
+    var f = function () { };
+    if (p) {
+        call(f); // Force allocation of f
+        if (q) {
+            OSRExit();
+        }
+        return f;
+    }
+    return { 'x': 2 };
+}
+noInline(sink);
+
+for (var i = 0; i < 100000; ++i) {
+    var o = sink(true, false);
+    if (o.x != 3)
+        throw "Error: expected o.x to be 2 but is " + result;
+}
+
+// At this point, the function should be compiled down to the FTL
+
+// Check that the function is properly allocated on OSR exit
+var f = sink(true, true);
+if (f.x != 3)
+    throw "Error: expected o.x to be 3 but is " + result;