RE: [broken HEAD] In which the strict state monad fails at basic arithmetic

Wow -- Fast work! Do add a test case Simon | -----Original Message----- | From: ghc-devs [mailto:ghc-devs-bounces@haskell.org] On Behalf Of Ben | Gamari | Sent: 01 September 2017 14:53 | To: Moritz Angermann ; GHC developers | Subject: Re: [broken HEAD] In which the strict state monad fails at basic | arithmetic | | Moritz Angermann writes: | | > Hi *, | > | > while working on some related code. I came across a rather peculiar | > behavior with GHC built from the current master branch at b2c2e3e8. | > | The issue was a bug indeed introduced by the commit you cite below. The | problem was a mistake in a change in constant folding which, | frighteningly, the testsuite did not catch. See D3904 for a fix and a | test is forthcoming. | | Cheers, | | - Ben