4b84cd8af5
Dependencies specified by hash are unique in Spack in that the abstract specs are created with internal structure. In this case, the constraint generation for spec matrices fails due to flattening the structure. It turns out that the dep_difference method for Spec.constrain does not need to operate on transitive deps to ensure correctness. Removing transitive deps from this method resolves the bug. - [x] Includes regression test |
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