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-rw-r--r--js/src/jit-test/tests/jaeger/bug663910.js22
1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/jaeger/bug663910.js b/js/src/jit-test/tests/jaeger/bug663910.js
new file mode 100644
index 0000000000..33997a3c4c
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/bug663910.js
@@ -0,0 +1,22 @@
+var otherGlobalSameCompartment = newGlobal("same-compartment");
+eval = otherGlobalSameCompartment.eval;
+doesNotNeedParens(1, "if (xx) { }");
+needParens(2, "if (1, xx) { }");
+function doesNotNeedParens(section, pat) {
+ try {
+ f = new Function
+ } catch (e) {}
+ roundTripTest(section, f)
+}
+function needParens(section, pat, exp) {
+ var f, ft;
+ roundTripTest(section, f, exp)
+}
+function roundTripTest(section, f, exp) {
+ uf = "" + f
+ var euf;
+ try {
+ euf = eval("(" + uf + ")");
+ } catch (e) { }
+ + euf
+}