It passes with hashable 1.3.0.0 and others unchanged.
Running 1 test suites...
Test suite doctest: RUNNING...
src/Control/Foldl.hs:981: failure in expression `fold (foldByKeyHashMap Control.Foldl.sum) [("a",1), ("b",2), ("b",20), ("a",10)]'
expected: fromList [("a",11),("b",22)]
but got: fromList [("b",22),("a",11)]
^
Examples: 37 Tried: 37 Errors: 0 Failures: 1
Test suite doctest: FAIL
Test suite logged to: dist/test/foldl-1.4.10-doctest.log
0 of 1 test suites (0 of 1 test cases) passed.
It passes with hashable 1.3.0.0 and others unchanged.