#5929: Exciting arity warning when compiling with optimizations
-----------------------------------------------+----------------------------
Reporter: passalaqua | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 7.4.1 | Keywords: Exciting
arity
Os: Unknown/Multiple | Architecture:
Unknown/Multiple
Failure: Incorrect warning at compile-time | Testcase:
Blockedby: | Blocking:
Related: |
-----------------------------------------------+----------------------------
When trying to compile a file generated by UUAG
(http://www.cs.uu.nl/wiki/HUT/AttributeGrammarSystem) using optimizations
on GHC 7.2.1 (Windows), 7.2.2 (Mac) or 7.4.1 (Windows) I get a line that
says only "Exciting arity" followed by some GHC internal code (maybe GHC
Core?).
The code still compiles and executes as expected, however this warning
clearly indicates that something (either in the code or in ghc) is not
working as expected.
Changing the code sometimes eliminates that warning, sometimes it doesn't.
The version attached was the smallest I could get that still got me the
warnings (and does not depend on any 3rd party libraries, if anyone's
interested in reproducing it).
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5929>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
_______________________________________________
Glasgow-haskell-bugs mailing list
[email protected]
http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs
