Add m-esr52 at 52.6.0

1 files changed, 40 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/basic/testCompileScript.js b/js/src/jit-test/tests/basic/testCompileScript.js
new file mode 100644
index 000000000..9ff375f0e
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testCompileScript.js
@@ -0,0 +1,40 @@
+// |jit-test| slow
+
+var nlocals = 50;
+var localstr = "";
+for (var i = 0; i < nlocals; ++i)
+    localstr += "var x" + i + "; ";
+
+/*
+ * Attempt to test, in a stack-parameter-independent manner, ComileFunction
+ * hitting a stack-commit boundary (which is not an OOM, but requires checking
+ * and updating the stack limit).
+ */
+var arr = [function() {return 0}, function() {return 1}, function() {return 2}];
+var arg = "x";
+var body = localstr +
+           "if (x == 0) return; " +
+           "arr[3] = (new Function(arg, body));" +
+           "for (var i = 0; i < 4; ++i) arr[i](x-1);";
+
+// XXX interpreter bailouts during recursion below can cause us to hit the limit quickly.
+try { (new Function(arg, body))(1000); } catch (e) {}
+
+/*
+ * Also check for OOM in CompileFunction. To avoid taking 5 seconds, use a
+ * monster apply to chew up most the stack.
+ */
+var gotIn = false;
+var threwOut = false;
+try {
+    (function() {
+        gotIn = true;
+        (new Function(arg, body))(10000000);
+     }).apply(null, new Array(getMaxArgs()));
+} catch(e) {
+    assertEq(""+e, "InternalError: too much recursion");
+    threwOut = true;
+}
+assertEq(threwOut, true);
+/* If tweaking some stack parameter makes this fail, shrink monster apply. */
+assertEq(gotIn, true);