Todd Gamblin 3ab56a188e Fixes #980: really slow spack spec performance ... - `spack spec dealii` now takse seconds rather than 18 minutes. - Slow hash (`dag_hash`) was accidentally inserted into the fast hash (`__hash__`). - Do not put the slow hash in the fast hash.		2016-05-22 18:33:13 -07:00
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spack	Fixes #980: really slow spack spec performance	2016-05-22 18:33:13 -07:00