Visible type application: ASSERT failed! file compiler/typecheck/TcMatches.hs
Validate on Travis (in the configuration that defines GhcStage2HcOpts += -DDEBUG) reports , since 2db18b81:
Compile failed (status 256) errors were:
ghc-stage2: panic! (the 'impossible' happened)
(GHC version 7.11.20151224 for x86_64-unknown-linux):
ASSERT failed! file compiler/typecheck/TcMatches.hs, line 223
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
*** unexpected failure for T7681(normal)Trac metadata
| Trac field | Value |
|---|---|
| Version | 7.11 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | goldfire |
| Operating system | |
| Architecture |