Ok, so I think we should mark the test as expect_broken, because the Travis
builds use -DDEBUG and this is causing them to fail currently (see e.g.
https://travis-ci.org/simonmar/ghc/builds/174768018)
Cheers
Simon
On 11 November 2016 at 17:39, Simon Peyton Jones
Hmm. Yes, this is an (actually harmless) assertion failure if your build has -DDEBUG on. I think it’s just a fluke that it’s only just started failing.
I’ll make a ticket for it; I don’t think it’s super-urgent.
Simon
*From:* ghc-devs [mailto:ghc-devs-bounces@haskell.org] *On Behalf Of *Simon Marlow *Sent:* 09 November 2016 13:03 *To:* ghc-devs@haskell.org *Subject:* T12041 failing?
I just saw the error below in a validate with -DDEBUG. Anyone know about this?
--- /tmp/ghctest-uhJ8rt/test spaces/./indexed-types/should_fail/T12041.run/T12041.stderr.normalised 2016-11-09 12:13:38.206501840 +0000
+++ /tmp/ghctest-uhJ8rt/test spaces/./indexed-types/should_fail/T12041.run/T12041.comp.stderr.normalised 2016-11-09 12:13:38.206501840 +0000
@@ -1,7 +1,17 @@
+ghc: panic! (the 'impossible' happened)
+ (GHC version 8.1.20161109 for x86_64-unknown-linux):
+ ASSERT failed!
+ i_axb
+ Call stack:
+ CallStack (from HasCallStack):
+ prettyCurrentCallStack, called at compiler/utils/Outputable.hs:<line>:<column> in <package-id>:Outputable
+ callStackDoc, called at compiler/utils/Outputable.hs:<line>:<column> in <package-id>:Outputable
+ assertPprPanic, called at compiler/typecheck/TcType.hs:<line>:<column> in <package-id>:TcType
+ Call stack:
+ CallStack (from HasCallStack):
+ prettyCurrentCallStack, called at compiler/utils/Outputable.hs:<line>:<column> in <package-id>:Outputable
+ callStackDoc, called at compiler/utils/Outputable.hs:<line>:<column> in <package-id>:Outputable
+ pprPanic, called at compiler/utils/Outputable.hs:<line>:<column> in <package-id>:Outputable
+ assertPprPanic, called at compiler/typecheck/TcType.hs:<line>:<column> in <package-id>:TcType
-T12041.hs:12:15:
- Expected kind ‘i -> Constraint’,
- but ‘(~) Int’ has kind ‘* -> Constraint’
- In the type ‘(~) Int’
- In the type instance declaration for ‘Ob’
- In the instance declaration for ‘Category I’
+Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.haskell.org%2Fghc%2Freportabug&data=02%7C01%7Csimonpj%40microsoft.com%7C8af7a5deff5f49d2ab9808d408a0bd62%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636142933860965747&sdata=BUkCjhjy1GhK9SVcws2TAYIVD5FzdsYrXKciuyD6MzM%3D&reserved=0
*** unexpected failure for T12041(normal)