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  • #13772

Closed
Open
Opened May 31, 2017 by lennart@augustsson.net@trac-lennart

Cannot put HasCallStack on instances

I'd like to get stack traces even when I'm using methods from a class, but I don't seen to be able to put HasCallStack in instance declarations. See attached code.

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Version 8.0.1
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Compiler
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Reference: ghc/ghc#13772