split_marker crash
Simon Peyton Jones
simonpj at microsoft.com
Mon Nov 19 17:15:24 UTC 2018
OK I have verified that
* This split_marker crash happens on a clean HEAD build
* Reverting "NCG: New code layout algorithm.", 575515b4909f3d77b3d31f2f6c22d14a92d8b8e0, solves the problem.
Andreas: I propose to revert in HEAD unless you have a rapid fix, or believe that is somehow my fault.
(Or maybe someone else can revert.)
Simon
From: Simon Peyton Jones
Sent: 19 November 2018 14:53
To: 'ghc-devs at haskell.org' <ghc-devs at haskell.org>
Subject: split_marker crash
Urrgh. I have this panic in a clean validate (sh validate -fast) on my branch wip/T15809.
ghc-stage1: panic! (the 'impossible' happened)
(GHC version 8.7.20181119 for x86_64-unknown-linux):
split_marker_entry
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
libraries/ghc-prim/ghc.mk:4: recipe for target 'libraries/ghc-prim/dist-install/build/GHC/Types.o' failed
Yes, it's a branch not identical to HEAD, but I have done nothing concerning split_markers.
Sigh. What should I do?
Simon
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