js/src/jit-test/tests/ion/bug816786.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 var g;
michael@0 2 function test(a, b) {
michael@0 3
michael@0 4 g = 0;
michael@0 5 for(var i=0; i<100; i++) {
michael@0 6 g += i
michael@0 7 }
michael@0 8
michael@0 9 var t = a*b;
michael@0 10
michael@0 11 for(var i=0; i<100; i++) {
michael@0 12 t = x.y + t;
michael@0 13 return t;
michael@0 14 }
michael@0 15
michael@0 16 }
michael@0 17
michael@0 18 function negzero(x) {
michael@0 19 return x===0 && (1/x)===-Infinity;
michael@0 20 }
michael@0 21
michael@0 22
michael@0 23 var x = {y:0};
michael@0 24 var a = 0;
michael@0 25 var b = 0;
michael@0 26 for(var i=0; i<58; i++) {
michael@0 27 var o = test(a, b);
michael@0 28
michael@0 29 // Test returns
michael@0 30 // * 0, if i < 50
michael@0 31 // * -0, if i >= 50
michael@0 32 assertEq(negzero(o), i>50);
michael@0 33
michael@0 34 if (i == 50) {
michael@0 35 a = -1
michael@0 36 x.y = -0
michael@0 37 }
michael@0 38 }

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