Segfault on x86 with -O2
First reported by Kazu Yamamoto in http://www.haskell.org/pipermail/ghc-devs/2013-May/001346.html
On OSX x86 with 7.7.20130530:
$ ghc --make Main -O2 -Wall
[1 of 1] Compiling Main ( Main.hs, Main.o )
Linking Main ...
$ ./Main
Winner (E {_key = 156, prio = 9.443531728518195e-3}) (LLoser [...]
Before atMost
[E {_key = 2, prio = 6.2447874501499356e-2},[...]prio = 0.35312841343485957}Segmentation fault: 11It randomly fails with either "Segmentation fault: 11" or "Bus error: 10". Sometimes it succeeds.
With -O it apparently always succeeds.
Trac metadata
| Trac field | Value |
|---|---|
| Version | 7.7 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | highest |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | |
| Architecture |