patch applied (ghc): Give -fwrapv to gcc when it supports it

Ian Lynagh <[email protected]> Mon, 15 Jan 2007 11:51:46 -0800

Newsgroups	gmane.comp.lang.haskell.cvs.all
Message-ID	<20070115195146.GA20298__3039.6617520184$1168893761$gmane$org@cvs.haskell.org>

Mon Jan 15 11:42:50 PST 2007  Ian Lynagh <[email protected]>
  * Give -fwrapv to gcc when it supports it
  Fixes trac #952: Haskell requires consistent overflow behaviour, which
  gcc doesn't give without this flag.

    M ./aclocal.m4 +12
    M ./compiler/main/DriverPipeline.hs +4
    M ./configure.ac +1