[GHC] #1500: Infinite loop caused by Cmm

GHC trac at galois.com
Fri Jul 6 05:46:01 EDT 2007


#1500: Infinite loop caused by Cmm
-------------------------------+--------------------------------------------
  Reporter:  Michael D. Adams  |          Owner:          
      Type:  bug               |         Status:  new     
  Priority:  normal            |      Milestone:          
 Component:  Compiler (NCG)    |        Version:  6.7     
  Severity:  normal            |       Keywords:          
Difficulty:  Unknown           |             Os:  Multiple
  Testcase:  cmm001            |   Architecture:  x86     
-------------------------------+--------------------------------------------
The following Cmm code causes GHC to go into an infinite loop when
 {{{-O}}} and {{{-fasm}}} are on.

 {{{
 foo {
   L: goto L;
 }
 }}}

 I do not know of any code that depends on this yet.  I just tripped over
 it when writting tests for the CPS pass.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1500>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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