From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../jit-test/tests/basic/mutable-proto-teleporting.js | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 js/src/jit-test/tests/basic/mutable-proto-teleporting.js (limited to 'js/src/jit-test/tests/basic/mutable-proto-teleporting.js') diff --git a/js/src/jit-test/tests/basic/mutable-proto-teleporting.js b/js/src/jit-test/tests/basic/mutable-proto-teleporting.js new file mode 100644 index 0000000000..a52faf1c58 --- /dev/null +++ b/js/src/jit-test/tests/basic/mutable-proto-teleporting.js @@ -0,0 +1,18 @@ +// The teleporting optimization should work correctly +// when we modify an object's proto. + +var A = {x: 1}; +var B = Object.create(A); + +var C = {}; +C.__proto__ = B; + +function f() { + for (var i=0; i<25; i++) { + assertEq(C.x, (i <= 20) ? 1 : 3); + if (i === 20) { + B.x = 3; + } + } +} +f(); -- cgit v1.2.3