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This commit fixes several bugs related to case expressions involving numeric literals which are not in the range of values of their (fixed-width, integral) type. There is a new invariant on Literal: The argument of a MachInt[64] or MachWord[64] must lie within the range of the corresponding primitive type Int[64]# or Word[64]#, as defined by the target machine. This invariant is enforced in mkMachInt[64]/mkMachWord[64] by wrapping the argument to the target type's range if necessary. Test Plan: Test Plan: make slowtest TEST="T9533 T9533b T9533c T10245 T10246" Trac issues: #9533, #10245, #10246, #13171 Reviewers: simonmar, simonpj, austin, bgamari, nomeata Reviewed By: bgamari Subscribers: thomie, rwbarton Differential Revision: https://phabricator.haskell.org/D810
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