From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../tests/promise/species-redefine-getter.js | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 js/src/jit-test/tests/promise/species-redefine-getter.js (limited to 'js/src/jit-test/tests/promise/species-redefine-getter.js') diff --git a/js/src/jit-test/tests/promise/species-redefine-getter.js b/js/src/jit-test/tests/promise/species-redefine-getter.js new file mode 100644 index 0000000000..4e30759cf2 --- /dev/null +++ b/js/src/jit-test/tests/promise/species-redefine-getter.js @@ -0,0 +1,20 @@ +// Ensure the HadGetterSetterChange flag is set. +Object.defineProperty(Promise, "foo", {configurable: true, get: function() {}}); +Object.defineProperty(Promise, "foo", {configurable: true, get: function() {}}); + +// Initialize PromiseLookup. +var p = new Promise(() => {}); +for (let i = 0; i < 5; i++) { + Promise.all([p]); +} + +// Redefine the Promise[Symbol.species] getter without changing its attributes/shape. +let count = 0; +Object.defineProperty(Promise, Symbol.species, + {get: function() { count++; }, enumerable: false, configurable: true}); + +// Ensure PromiseLookup now deoptimizes and calls the getter. +for (let i = 0; i < 5; i++) { + Promise.all([p]); +} +assertEq(count, 5); -- cgit v1.2.3