Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/parser/bug-844805-2.js b/js/src/jit-test/tests/parser/bug-844805-2.js
new file mode 100644
index 0000000000..5a278ef9b1
--- /dev/null
+++ b/js/src/jit-test/tests/parser/bug-844805-2.js
@@ -0,0 +1,10 @@
+// Constant folding does not affect strict delete.
+
+function f(x) {
+    "use strict";
+
+    // This senseless delete-expression is legal even in strict mode. Per ES5.1
+    // 11.4.1 step 2, it does nothing and returns true.
+    return delete (1 ? x : x);
+}
+assertEq(f(), true);