Massimiliano Culpo 19df8e45ec Merge virtuals= from duplicate dependencies (#42281) ... Previously, for abstract specs like: ``` foo ^[virtuals=a] bar ^[virtuals=b] bar ``` the second requirement was silently discarded on concretization. Now they're merged, and the abstract spec is equivalent to: ``` foo ^[virtuals=a,b] bar ```		2024-01-26 09:48:53 +01:00
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spack	Merge virtuals= from duplicate dependencies (#42281)	2024-01-26 09:48:53 +01:00