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-rw-r--r--js/src/jit-test/tests/basic/bug854124.js8
1 files changed, 8 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug854124.js b/js/src/jit-test/tests/basic/bug854124.js
new file mode 100644
index 0000000000..505ed2dfb6
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug854124.js
@@ -0,0 +1,8 @@
+// Don't assert.
+"p".match(/(p)/);
+assertEq(RegExp.$1, "p");
+assertEq(RegExp.$2, "");
+
+"x\ny\n".replace(/(^\n*)/, "");
+assertEq(RegExp.$1, "");
+assertEq(RegExp.$2, "");