js/src/jit-test/tests/basic/testBug502914.js@6474c204b198 (annotated)
js/src/jit-test/tests/basic/testBug502914.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | function testBug502914() { |
| michael@0 | 2 | // Assigning a non-function to a function-valued property on trace should |
| michael@0 | 3 | // bump the shape. |
| michael@0 | 4 | function f1() {} |
| michael@0 | 5 | function C() {} |
| michael@0 | 6 | var x = C.prototype = {m: f1}; |
| michael@0 | 7 | x.m(); // brand scope |
| michael@0 | 8 | var arr = [new C, new C, new C, x]; |
| michael@0 | 9 | try { |
| michael@0 | 10 | for (var i = 0; i < 4; i++) { |
| michael@0 | 11 | arr[i].m = 12; |
| michael@0 | 12 | x.m(); // should throw last time through |
| michael@0 | 13 | } |
| michael@0 | 14 | } catch (exc) { |
| michael@0 | 15 | return exc.constructor.name; |
| michael@0 | 16 | } |
| michael@0 | 17 | return "no exception"; |
| michael@0 | 18 | } |
| michael@0 | 19 | assertEq(testBug502914(), "TypeError"); |
