Bug 983 - Failure to infer type argument
Summary: Failure to infer type argument
Alias: None
Product: Compilers
Classification: Mono
Component: C# ()
Version: unspecified
Hardware: PC Mac OS
: --- normal
Target Milestone: ---
Assignee: Marek Safar
Depends on:
Reported: 2011-09-22 04:59 UTC by Rolf Bjarne Kvinge [MSFT]
Modified: 2011-10-06 17:17 UTC (History)
2 users (show)

Is this bug a regression?: ---
Last known good build:

test case (312 bytes, application/octet-stream)
2011-09-22 04:59 UTC, Rolf Bjarne Kvinge [MSFT]

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Description Rolf Bjarne Kvinge [MSFT] 2011-09-22 04:59:13 UTC
Created attachment 465 [details]
test case

Try to compile attached test case.

> mcs test.cs
test.cs(6,17): error CS1502: The best overloaded method match for `MainClass.Wrap<IPackage>(System.Func<IPackageRepository,IPackage>, IPackage)' has some invalid arguments
test.cs(9,21): (Location of the symbol related to previous error)
test.cs(6,17): error CS1503: Argument `#2' cannot convert `T' expression to type `IPackage'
Compilation failed: 2 error(s), 0 warnings

VS2010 compiles it successfully.
Comment 1 Marek Safar 2011-09-22 13:40:12 UTC
Fixed in master
Comment 2 Rolf Bjarne Kvinge [MSFT] 2011-10-06 05:58:27 UTC
Can this be backported to 2.10?
Comment 3 Rolf Bjarne Kvinge [MSFT] 2011-10-06 17:17:32 UTC
This seems to be the fix btw: 4e5add05