ghc-HEAD -DDEBUG is broken (possiby by D1880)
Was found when tried to build with
BuildFlavour = devel2
ghc-validate $ LANG=C make V=0
HC [stage 2] libraries/parallel/dist-install/build/Control/Seq.o
WARNING: file compiler/stgSyn/CoreToStg.hs, line 250
using False True
ghc-stage2: panic! (the 'impossible' happened)
(GHC version 8.1.20160206 for x86_64-unknown-linux):
ASSERT failed!
CallStack (from HasCallStack):
assertPprPanic, called at compiler/stgSyn/CoreToStg.hs:216:59 in ghc:CoreToStg
using
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
suggests
changeset:4f9967aa
might be at fault.
Reverting it on top of master fixes devel2 build.
Trac metadata
Trac field | Value |
---|---|
Version | 8.1 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Compiler |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | osa1, skvadrik |
Operating system | |
Architecture |