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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/typecheck/should_fail/T12042.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/typecheck/should_fail/T12042.stderr')
-rw-r--r--testsuite/tests/typecheck/should_fail/T12042.stderr6
1 files changed, 3 insertions, 3 deletions
diff --git a/testsuite/tests/typecheck/should_fail/T12042.stderr b/testsuite/tests/typecheck/should_fail/T12042.stderr
index ae3cf33ea7..323c5e3693 100644
--- a/testsuite/tests/typecheck/should_fail/T12042.stderr
+++ b/testsuite/tests/typecheck/should_fail/T12042.stderr
@@ -2,10 +2,10 @@
[2 of 3] Compiling T12042a ( T12042a.hs, T12042a.o )
[3 of 3] Compiling T12042 ( T12042.hs, T12042.o )
-T12042.hs-boot:2:1: error:
+T12042.hs-boot:2:1: error: [GHC-15843]
Type constructor ā€˜Sā€™ has conflicting definitions in the module
- and its hs-boot file
+ and its hs-boot file.
Main module: type S :: *
type S = R
- Boot file: type S :: *
+ Boot file: type S :: *
data S