From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../inline-arguments-spread-optimization.js        | 47 ++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 js/src/jit-test/tests/arguments/inline-arguments-spread-optimization.js

(limited to 'js/src/jit-test/tests/arguments/inline-arguments-spread-optimization.js')

diff --git a/js/src/jit-test/tests/arguments/inline-arguments-spread-optimization.js b/js/src/jit-test/tests/arguments/inline-arguments-spread-optimization.js
new file mode 100644
index 0000000000..21505e9437
--- /dev/null
+++ b/js/src/jit-test/tests/arguments/inline-arguments-spread-optimization.js
@@ -0,0 +1,47 @@
+// |jit-test| --fast-warmup
+
+
+function foo(...args) {
+    with ({}) {}
+    return args.length;
+}
+
+function inner() {
+    // Single argument spread calls with |arguments| can be optimised.
+    return foo(...arguments);
+}
+
+function outer0() {
+    trialInline();
+    return inner();
+}
+
+function outer1() {
+    trialInline();
+    return inner(1);
+}
+
+function outer2() {
+    trialInline();
+    return inner(1, 2);
+}
+
+function outer3() {
+    trialInline();
+    return inner(1,2,3)
+}
+
+function outer4() {
+    trialInline();
+    return inner(1,2,3,4)
+}
+
+with ({}) {}
+
+for (var i = 0; i < 50; i++) {
+    assertEq(outer0(), 0);
+    assertEq(outer1(), 1);
+    assertEq(outer2(), 2);
+    assertEq(outer3(), 3);
+    assertEq(outer4(), 4);
+}
-- 
cgit v1.2.3