mkStdGen (-2^31) is ⊥
Quoting System/Random.hs:
mkStdGen32 :: Int32 -> StdGen
mkStdGen32 s
| s < 0 = mkStdGen32 (-s)
Alas, the fact that…
ghci> (minBound :: Data.Int.Int32) == negate minBound
True
…results in mkStdGen32 going into infinite recursion when applied to the minBound of Int32.
The proposed patch should fix the issue.
Trac metadata
Trac field | Value |
---|---|
Version | |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | libraries/random |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | |
Operating system | |
Architecture |