-fregs-graph: GraphOps.coalesceNodes: can't coalesce the same node.
If -fregs-graph
is used then the build fails when compiling PrimOps.cmm
:
$ /home/ian/ghc/darcs/ghc/ghc/stage1-inplace/ghc -Werror -H64m -O0 -fasm -optc-O2 -I../includes -I. -Iparallel -Ism -Ieventlog -DCOMPILING_RTS -package-name rts -static -I../gmp/gmpbuild -I../libffi/build/include -I. -dcmm-lint -c PrimOps.cmm -o PrimOps.o -fregs-graph
ghc: panic! (the 'impossible' happened)
(GHC version 6.11.20090409 for x86_64-unknown-linux):
GraphOps.coalesceNodes: can't coalesce the same node.
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
This blocks #2790 (closed).
Trac metadata
Trac field | Value |
---|---|
Version | 6.10.2 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | high |
Resolution | Unresolved |
Component | Compiler |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | |
Operating system | |
Architecture |