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Int64 ^ Int64 broken by optimization on SPARC

The T7507 test is broken on SPARC NCG, I've more simplified it to

module Main where

import Data.Int

main = print ( ( 2 :: Int64 ) ^ ( 6 :: Int64 ) )

it does not matter if it's run with two Int64 or just with one:

main = print ( 2 ^ 6 :: Int64 ) 

the result with -O is still 0. The result without -O is correct.

Trac metadata
Trac field Value
Version
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Compiler (NCG)
Test case
Differential revisions
BlockedBy
Related
Blocking
CC simonmar
Operating system
Architecture
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