[GHC] #7969: -ddump-minimal-imports should preserve imports required to implement standalone derived instances
#7969: -ddump-minimal-imports should preserve imports required to implement standalone derived instances -----------------------------+---------------------------------------------- Reporter: dsf | Owner: Type: bug | Status: new Priority: normal | Component: Compiler Version: 7.6.2 | Keywords: Os: Unknown/Multiple | Architecture: Unknown/Multiple Failure: None/Unknown | Blockedby: Blocking: | Related: -----------------------------+---------------------------------------------- If a module contains a "deriving instance Show Foo" declaration, the import of Foo's constructors needs to be preserved for the module to compile. -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7969> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler
#7969: -ddump-minimal-imports should preserve imports required to implement standalone derived instances -----------------------------+---------------------------------------------- Reporter: dsf | Owner: Type: bug | Status: new Priority: normal | Component: Compiler Version: 7.6.2 | Keywords: Os: Unknown/Multiple | Architecture: Unknown/Multiple Failure: None/Unknown | Blockedby: Blocking: | Related: -----------------------------+---------------------------------------------- Comment(by simonpj@…): commit b2cde434bbf3060dc5eda39876e4c9180aea1d1a {{{ Author: Simon Peyton Jones <simonpj@microsoft.com> Date: Mon Jun 17 22:45:28 2013 +0100 Emit addUsedRdrNames for the datacons in a standalone deriving (Trac #7969) compiler/typecheck/TcDeriv.lhs | 18 +++++++++++++++--- 1 files changed, 15 insertions(+), 3 deletions(-) }}} -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7969#comment:1> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler
#7969: -ddump-minimal-imports should preserve imports required to implement standalone derived instances ------------------------------------------+--------------------------------- Reporter: dsf | Owner: Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 7.6.2 Resolution: fixed | Keywords: Os: Unknown/Multiple | Architecture: Unknown/Multiple Failure: None/Unknown | Difficulty: Unknown Testcase: rename/should_compile/T7969 | Blockedby: Blocking: | Related: ------------------------------------------+--------------------------------- Changes (by simonpj): * status: new => closed * difficulty: => Unknown * resolution: => fixed * testcase: => rename/should_compile/T7969 Comment: Good point, thank you. Simon -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7969#comment:2> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler
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