[#BOO-1047] Internal compiler error when invoking external generic method where type inference violates generic constraints - jira.codehaus.org

Boo

Internal compiler error when invoking external generic method where type inference violates generic constraints

Created: 07/Jun/08 07:19 PM Updated: 22/Jan/09 09:22 AM Resolved: 01/Oct/08 03:46 PM

Return to search

Component/s:

None

Affects Version/s:

0.8.2, 0.9

Fix Version/s:

0.9

Time Tracking:

Not Specified

Environment:

MS.NET / Windows

Testcase included:

yes

Description

« Hide

import System.Threading.Interlocked

x as int = 10
CompareExchange(x, 5, 5)

Gives:

test.boo(4,16): BCE0055: Internal compiler error: GenericArguments[0], 'System.Int32', on 'T CompareExchange[T](T ByRef, T, T)' violates the constraint of type 'T'.

Sort Order:

[ Permalink | « Hide ]

Greg Nagel added a comment - 08/Jun/08 01:38 PM

The checking may already be in place to normally disallow this, but there's an integer overload for that function. The real bug is that the compiler picks the generic version over the integer overload.

[ Permalink | « Hide ]

Avishay Lavie added a comment - 01/Oct/08 03:46 PM

Resolved in 3042.