Require PatternSynonyms language flag when encountering a use of pattern…

Authored by cactus on Apr 6 2014, 8:26 AM.

Description

Require PatternSynonyms language flag when encountering a use of pattern synonym (Trac #8961)

Details

Committed
cactusApr 6 2014, 9:58 AM
Pushed
bgamariAug 25 2016, 1:39 PM
Parents
rGHCDIFFf7723444fe70: Add test case for #8950.
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