Inconsistent error message
Most error messages mention language extensions needed, this one mentions a deprectaed flag:
Illegal instance declaration for `...'
(the Coverage Condition fails for one of the functional dependencies;
Use -fallow-undecidable-instances to permit this)
It should instead mention -XUndecidableInstances.
Trac metadata
Trac field | Value |
---|---|
Version | 6.10.1 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Compiler |
Test case | |
Differential revisions | |
BlockedBy | |
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Blocking | |
CC | |
Operating system | |
Architecture |