diff --git a/test262/ignored-test262-other-cmc-gc-fastverify-x64-int.txt b/test262/ignored-test262-other-cmc-gc-fastverify-x64-int.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fab1bf863c709b77ed911c0ea00d71717aa86946
--- /dev/null
+++ b/test262/ignored-test262-other-cmc-gc-fastverify-x64-int.txt
@@ -0,0 +1,4 @@
+# Known failure list for test262 - cmc-gc-fastverify-x64-int
+
+#26315
+test262/data/other_tests/built-ins/RegExp/property-escapes/generated/Script_Extensions_-_Pau_Cin_Hau.js