#14619: Output value of program changes upon compiling with -O optimizations -------------------------------------+------------------------------------- Reporter: sheaf | Owner: (none) Type: bug | Status: infoneeded Priority: normal | Milestone: Component: Compiler | Version: 8.2.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: x86_64 Type of failure: Incorrect result | (amd64) at runtime | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by sheaf): I'm not doing anything specific at all, just plain vs -O2 as you seem to be doing. {{{
ghc bug.hs [1 of 1] Compiling Main ( bug.hs, bug.o ) Linking bug.exe ...
bug Just ((0.0,0.0,100.0),1.0) Just ((0.0,0.0,100.0),1.0)
ghc bug.hs -O2 -fforce-recomp [1 of 1] Compiling Main ( bug.hs, bug.o ) Linking bug.exe ...
bug Just ((0.0,0.0,0.0),0.0) Just ((0.0,0.0,100.0),1.0) }}}
-- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14619#comment:4 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler