[SR-3527] Ambiguous reference instead of type mismatch

[swift-ci]

Previous ID	SR-3527
Radar	None
Original Reporter	Reitzig (JIRA User)
Type	Bug

Attachment: Download

Environment

Swift 3.0.1
XCode 8.2

Additional Detail from JIRA

Votes	0
Component/s	Compiler
Labels	Bug, TypeChecker
Assignee	@xedin
Priority	Medium

md5: 77812a49ecb4bc4ad35a7f99c26e490f

Issue Description:

Consider this piece of code:

[swift-ci]

Comment by Raphael (JIRA)

Another example:

[xedin]

Reitzig (JIRA User) It looks like I've recently improved handling of the situation mentioned in the description, updated message is going to be this:

error: cannot convert return expression of type 'Double' to return type 'Int'
              return (Double(self.nom) / Double(self.den)).rounded(.up)
                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
                     Int(                                              )

Regarding example you've posted today - the problem here is that method remove is generic and we are currently pretty bad at matching generic parameters to concrete arguments, I'm planing to take a look at it shortly and see if we could improve the situation, will keep you posted...