#8832: Constant-folding regression wrt `clearBit (bit 0) 0 ` -------------------------------------+------------------------------------- Reporter: hvr | Owner: thoughtpolice Type: bug | Status: closed Priority: high | Milestone: 7.10.1 Component: Compiler | Version: 7.8.1-rc2 Resolution: fixed | Keywords: Operating System: | Architecture: Unknown/Multiple Unknown/Multiple | Difficulty: Unknown Type of failure: Runtime | Blocked By: performance bug | Related Tickets: Test Case: | simplCore/should_compile/T8832 | Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Comment (by hvr): Replying to [comment:15 Reid Barton <rwbarton@…>]:
In [changeset:"a72614c40186521da7ba090b102436e61a80b7a7/ghc"]: {{{ #!CommitTicketReference repository="ghc" revision="a72614c40186521da7ba090b102436e61a80b7a7" Make T8832 operative on 32-bit systems (#8832)
(Also, the 'extra_clean' was unnecessary.) }}}
Btw, now that I saw that commit, I've seen other testcases making use of the pre-defined `SIZEOF_HSWORD` (and there's also `WORD_SIZE_IN_BITS`) CPP symbol to test for wordsize. Would that have worked as well? -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8832#comment:18> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler