1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/generators/yield-regexp.js b/js/src/jit-test/tests/generators/yield-regexp.js
new file mode 100644
index 0000000000..30f6a02982
--- /dev/null
+++ b/js/src/jit-test/tests/generators/yield-regexp.js
@@ -0,0 +1,28 @@
+// Bug 1099956
+
+load(libdir + "asserts.js");
+
+// Parses as IDENT(yield) DIV IDENT(abc) DIV IDENT(g).
+eval(`function f1() { yield /abc/g; }`);
+
+// Throws a ReferenceError because no global "yield" variable is defined.
+var ex;
+try {
+  f1();
+} catch(e) {
+  ex = e;
+}
+assertEq(ex instanceof ReferenceError, true);
+
+// Parses as YIELD REGEXP(/abc/g).
+function* f2() {
+  yield /abc/g;
+}
+
+g = f2();
+v = g.next();
+assertEq(v.done, false);
+assertEq(v.value instanceof RegExp, true);
+assertEq(v.value.toString(), "/abc/g");
+v = g.next();
+assertEq(v.done, true);