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authorsheaf <sam.derbyshire@gmail.com>2023-05-15 15:23:49 +0200
committerMarge Bot <ben+marge-bot@smart-cactus.org>2023-05-15 18:03:00 -0400
commit4d29ecdfcc79ad663e066d9f7d6d17b64c8c6c41 (patch)
tree985890c63aee54a2e94e31aa85cbec44652987b9 /testsuite/tests/backpack/should_fail/bkpfail11.stderr
parentd69cbd78999071d2d6479be40ae90ddd83b9942a (diff)
downloadhaskell-4d29ecdfcc79ad663e066d9f7d6d17b64c8c6c41.tar.gz
Migrate errors to diagnostics in GHC.Tc.Module
This commit migrates the errors in GHC.Tc.Module to use the new diagnostic infrastructure. It required a significant overhaul of the compatibility checks between an hs-boot or signature module and its implementation; we now use a Writer monad to accumulate errors; see the BootMismatch datatype in GHC.Tc.Errors.Types, with its panoply of subtypes. For the sake of readability, several local functions inside the 'checkBootTyCon' function were split off into top-level functions. We split off GHC.Types.HscSource into a "boot or sig" vs "normal hs file" datatype, as this mirrors the logic in several other places where we want to treat hs-boot and hsig files in a similar fashion. This commit also refactors the Backpack checks for type synonyms implementing abstract data, to correctly reject implementations that contain qualified or quantified types (this fixes #23342 and #23344).
Diffstat (limited to 'testsuite/tests/backpack/should_fail/bkpfail11.stderr')
-rw-r--r--testsuite/tests/backpack/should_fail/bkpfail11.stderr2
1 files changed, 1 insertions, 1 deletions
diff --git a/testsuite/tests/backpack/should_fail/bkpfail11.stderr b/testsuite/tests/backpack/should_fail/bkpfail11.stderr
index cfcfdcb0e4..2686cd1fbc 100644
--- a/testsuite/tests/backpack/should_fail/bkpfail11.stderr
+++ b/testsuite/tests/backpack/should_fail/bkpfail11.stderr
@@ -15,4 +15,4 @@ bkpfail11.out\sig\sig-HyoWTHt34SDIRGEX0vZ8iN\..\A.hi:1:1: error: [GHC-39999]
arising when attempting to show that
instance [safe] GHC.Show.Show T -- Defined at bkpfail11.bkp:5:18
is provided by ‘mod:A’
- • while checking that mod:A implements signature A in sig[A=mod:A]
+ • While checking that ‘mod:A’ implements signature ‘A’ in ‘sig[A=mod:A]’.