Fix regression incorrectly advertising TH support

Authored by hvr on Feb 16 2019, 3:08 PM.

Description

Fix regression incorrectly advertising TH support

--supported-languages must only advertise language extensions
which are supported by the compiler in order for tooling such
as Cabal relying on this signalling not to behave incorrectly.

Fixes Trac #16331

Details

Committed
Marge Bot <ben+marge-bot@smart-cactus.org>Feb 23 2019, 8:43 PM
Parents
rGHCe61f6e35e2ff: Expression/command ambiguity resolution
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Marge Bot <ben+marge-bot@smart-cactus.org> committed rGHCee284b854e51: Fix regression incorrectly advertising TH support (authored by hvr).Feb 23 2019, 8:43 PM