[xbuild] Exists should be false for empty values
authorMichael Hutchinson <m.j.hutchinson@gmail.com>
Tue, 18 Feb 2014 23:23:19 +0000 (18:23 -0500)
committerMichael Hutchinson <m.j.hutchinson@gmail.com>
Tue, 18 Feb 2014 23:25:39 +0000 (18:25 -0500)
commitd562f82d8f10cf6a76daa038b7f694c9f3e262ad
treed97f365faae8069a93cdd1154f807a1748d8a69b
parent254954dc09f4d6e4703b03773bb7be327db2e89b
[xbuild] Exists should be false for empty values

BXC17802 - xbuild evaluates Exist wrongly when the item group does not exist
mcs/class/Microsoft.Build.Engine/Microsoft.Build.BuildEngine/ConditionFunctionExpression.cs
mcs/class/Microsoft.Build.Engine/Test/Microsoft.Build.BuildEngine/BuildChooseTest.cs