1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/regexp/match-stub-realms.js b/js/src/jit-test/tests/regexp/match-stub-realms.js
new file mode 100644
index 0000000000..9cf082f015
--- /dev/null
+++ b/js/src/jit-test/tests/regexp/match-stub-realms.js
@@ -0,0 +1,19 @@
+// Ensure regexp match stub uses the correct realm for the match object and
+// the regexp statics.
+function test() {
+    var g1 = newGlobal({sameCompartmentAs: this});
+    var g2 = newGlobal({sameCompartmentAs: this});
+    g1.evaluate("function match(s) { return /(.)([\\d]+)/.exec(s); }");
+    g2.evaluate("function match(s) { return /(.)([\\d]+)/.exec(s); }");
+    for (var i = 0; i < 25; i++) {
+        var res1 = g1.match(`A${i}`);
+        var res2 = g2.match(`B${i}`);
+        assertEq(objectGlobal(res1), g1);
+        assertEq(objectGlobal(res2), g2);
+        assertEq(g1.RegExp.$1, "A");
+        assertEq(g1.RegExp.$2, String(i));
+        assertEq(g2.RegExp.$1, "B");
+        assertEq(g2.RegExp.$2, String(i));
+    }
+}
+test();