[GHC] #7552: ~/.haskeline does nothing in ghci

2013-01-05 Thread GHC 
#7552: ~/.haskeline does nothing in ghci
---+
Reporter:  beroal  |  Owner:
Type:  bug | Status:  new   
Priority:  normal  |  Component:  GHCi  
 Version:  7.6.1   |   Keywords:
  Os:  Linux   |   Architecture:  x86_64 (amd64)
 Failure:  Other   |  Blockedby:
Blocking:  |Related:
---+
 ~/.haskeline:
 {{{
 maxHistorySize: 1
 historyDuplicates: IgnoreAll
 }}}
 ~/.ghc/ghci_history never has more than 100 lines.

-- 
Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/7552
GHC http://www.haskell.org/ghc/
The Glasgow Haskell Compiler

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[GHC] #7553: ghc fails to terminate with -O2 or greater

2013-01-05 Thread GHC 
#7553: ghc fails to terminate with -O2 or greater
---+
Reporter:  erikd   |  Owner:  
Type:  bug | Status:  new 
Priority:  normal  |  Component:  Compiler
 Version:  7.6.1   |   Keywords:  
  Os:  Unknown/Multiple|   Architecture:  Unknown/Multiple
 Failure:  Compile-time crash  |  Blockedby:  
Blocking:  |Related:  
---+
 GHC 7.6.1 on x86_64-lines from Debian's experimental repo (Debian unstable
 is currently frozen in preparation for the new release and therefore the
 Debian Haskell team is uploading to experimental).

 I have 50 lines of code across two files and then I compile these with -O1
 the compile competes in about 10 seconds. However if I compile it with -O2
 or greater, the compile does not seem to terminate. I've left it for as
 long as 1o minutes and the compile process uses 100% CPU and its memory
 usage seems to grow slowly so that after 10 minutes its using 5% of my
 machine's 8Gig or memory.

-- 
Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/7553
GHC http://www.haskell.org/ghc/
The Glasgow Haskell Compiler

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Re: [GHC] #7553: ghc fails to terminate with -O2 or greater

2013-01-05 Thread GHC 
#7553: ghc fails to terminate with -O2 or greater
---+
Reporter:  erikd   |  Owner:  
Type:  bug | Status:  new 
Priority:  normal  |  Component:  Compiler
 Version:  7.6.1   |   Keywords:  
  Os:  Unknown/Multiple|   Architecture:  Unknown/Multiple
 Failure:  Compile-time crash  |  Blockedby:  
Blocking:  |Related:  
---+

Comment(by erikd):

 I've add -ddump-rule-rewrites to the command line and the last rule firing
 before it seems to hang with 100% CPU usage is:

 {{{
 Rule fired
 Rule: Class op +
 Before: GHC.Num.+
   (TYPE GHC.Types.Int) GHC.Num.$fNumInt i1_a2tL (GHC.Types.I#
 1)
 After:  GHC.Num.$fNumInt_$c+
 Cont:   Stop[BoringCtxt] GHC.Types.Int
 }}}

 Is this the rule that is hanging or is the next one that has not yet been
 displayed?

-- 
Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/7553#comment:1
GHC http://www.haskell.org/ghc/
The Glasgow Haskell Compiler

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