Minor refactoring in CoreSimpl

Authored by osa1 on Jul 7 2019, 1:13 AM.

Description

Minor refactoring in CoreSimpl

When join_ids is empty extendVarSetList existing_joins join_ids is
already no-op, so no need to check whether join_ids is empty or not
before extending the joins set.

(cherry picked from commit 897a59a5c0a08985ddccf00a4961cc2d080324e8)

Details

Committed
bgamariAug 21 2019, 5:36 AM
Parents
rGHC0cc897f40164: Release GHC 8.8.1
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