O2: (GHC version 7.8.3 for x86_64-unknown-linux): allocateRegsAndSpill: Cannot read from uninitialized register %vI_s1Mp
ghc --make -O2 M.hs
[1 of 1] Compiling M ( M.hs, M.o )
ghc: panic! (the 'impossible' happened)
(GHC version 7.8.3 for x86_64-unknown-linux):
allocateRegsAndSpill: Cannot read from uninitialized register
%vI_s1Mp
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
As in #9155 (closed) bug was caught on wx package in the same module. I didn't try to trim it down to minimal sample.
No external modules required.
Trac metadata
Trac field | Value |
---|---|
Version | 7.8.3 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Compiler (NCG) |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | simonmar |
Operating system | |
Architecture |