Issue an error for pattern synonyms defined in a local scope (#8757)

Authored by cactus on Feb 9 2014, 3:20 AM.

Description

Issue an error for pattern synonyms defined in a local scope (Trac #8757)

This also fixes the internal crash when using pattern synonyms
in GHCi (Trac #8749)

Details

Committed
cactusFeb 9 2014, 3:20 AM
Pushed
bgamariAug 25 2016, 1:39 PM
Parents
rGHCDIFF674c969c2406: Fix #8631.
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