[GHC] #14117: stg-lint fails on unlifted-type join point binding

#14117: stg-lint fails on unlifted-type join point binding
-------------------------------------+-------------------------------------
Reporter: bgamari | Owner: (none)
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 8.2.1
Keywords: | Operating System: Unknown/Multiple
Architecture: | Type of failure: None/Unknown
Unknown/Multiple |
Test Case: | Blocked By:
Blocking: | Related Tickets:
Differential Rev(s): | Wiki Page:
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While validating GHC with `BuildFlavour=devel2` and `-dstg-lint` I found
that the linter chokes when it finds a join point of unlifted type (like
this one from the `Binary` module),
{{{
ghc-stage1: panic! (the 'impossible' happened)
(GHC version 8.3.20170815 for x86_64-unknown-linux):
*** Stg Lint ErrMsgs: in Stg2Stg ***
<no location info>: warning:
[RHS of $j_sDSL :: (# State# RealWorld, () #)]
Let(rec) binder ‘$j_sDSL’ has unlifted type ‘(# State# RealWorld,
() #)’
RHS: \r []
src

#14117: stg-lint fails on unlifted-type join point binding -------------------------------------+------------------------------------- Reporter: bgamari | Owner: (none) Type: bug | Status: patch Priority: normal | Milestone: 8.4.1 Component: Compiler | Version: 8.2.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D3857 Wiki Page: | -------------------------------------+------------------------------------- Changes (by bgamari): * status: new => patch * differential: => Phab:D3857 * milestone: => 8.4.1 -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14117#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler

#14117: stg-lint fails on unlifted-type join point binding
-------------------------------------+-------------------------------------
Reporter: bgamari | Owner: (none)
Type: bug | Status: patch
Priority: normal | Milestone: 8.4.1
Component: Compiler | Version: 8.2.1
Resolution: | Keywords:
Operating System: Unknown/Multiple | Architecture:
| Unknown/Multiple
Type of failure: None/Unknown | Test Case:
Blocked By: | Blocking:
Related Tickets: | Differential Rev(s): Phab:D3857
Wiki Page: |
-------------------------------------+-------------------------------------
Comment (by Ben Gamari

#14117: stg-lint fails on unlifted-type join point binding -------------------------------------+------------------------------------- Reporter: bgamari | Owner: (none) Type: bug | Status: closed Priority: normal | Milestone: 8.4.1 Component: Compiler | Version: 8.2.1 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D3857 Wiki Page: | -------------------------------------+------------------------------------- Changes (by bgamari): * status: patch => closed * resolution: => fixed -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14117#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler

#14117: stg-lint fails on unlifted-type join point binding -------------------------------------+------------------------------------- Reporter: bgamari | Owner: (none) Type: bug | Status: closed Priority: normal | Milestone: 8.4.1 Component: Compiler | Version: 8.2.1 Resolution: fixed | Keywords: stg-lint Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D3857 Wiki Page: | -------------------------------------+------------------------------------- Changes (by bgamari): * keywords: => stg-lint -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14117#comment:4 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
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