[GHC] #11824: GHC error in desugarer lookup

[Simon Peyton Jones]

Ben

I'm offline, so can't reply on Phab.

Calling mkTypeableBinds in tcRnHsBootDecls isn't quite right, because it'll generate lots of *bindings* whereas all we want is the *Ids* in the GlobalValEnv.

(It's possible that tcg_binds is ignored in the boot-module case, but it's unsavoury to generate the bindings at all.  They are generated when we process the main module.)

I suggest the easiest fix is, in mkModIdBinding and mkTypeableTyConBinds, guard the binding-generation with a test for whether isHsBootOrSig is true.

Simon

| -----Original Message-----
| From: ghc-tickets [mailto:ghc-tickets-bounces at haskell.org] On Behalf Of GHC
| Sent: 13 April 2016 12:06
| Cc: ghc-tickets at haskell.org
| Subject: Re: [GHC] #11824: GHC error in desugarer lookup
| 
| #11824: GHC error in desugarer lookup
| -------------------------------------+-------------------------------------
|         Reporter:  darchon           |                Owner:
|             Type:  bug               |               Status:  patch
|         Priority:  normal            |            Milestone:  8.0.1
|        Component:  Compiler          |              Version:  8.0.1-rc3
|       Resolution:                    |             Keywords:
| Operating System:  Unknown/Multiple  |         Architecture:
|  Type of failure:  Compile-time      |  Unknown/Multiple
|   crash                              |            Test Case:
|       Blocked By:                    |             Blocking:
|  Related Tickets:                    |  Differential Rev(s):  Phab:D2107,
|        Wiki Page:                    |  Phab:D2108
| -------------------------------------+-------------------------------------
| Changes (by bgamari):
| 
|  * status:  new => patch
|  * differential:   => Phab:D2107, Phab:D2108
| 
| 
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