Pattern synonyms and TH
This file
{-# LANGUAGE PatternSynonyms, TemplateHaskell #-}
x = [d|pattern P = ()|]causes a panic. Until TH supports pattern synonyms we should give a sensible error message.
Trac metadata
| Trac field | Value |
|---|---|
| Version | 7.7 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | cactus |
| Operating system | |
| Architecture |