Marge Bot pushed to branch master at Glasgow Haskell Compiler / GHC Commits: b19fcc1c by Vladislav Zavialov at 2026-08-14T06:26:11-04:00 Increase test coverage of diagnostics, batch 2 Add test cases for the previously untested diagnostics: [GHC-26133] TcRnForeignImportPrimSafeAnn [GHC-68444] SumAltArityExceeded [GHC-63966] IllegalSumAlt [GHC-23882] IllegalDeclaration [GHC-60220] InvalidCCallImpent [GHC-18816] RecGadtNoCons [GHC-38140] GadtNoCons [GHC-37056] InvalidTypeInstanceHeader [GHC-78486] InvalidTyFamInstLHS [GHC-39639] DefaultDataInstDecl [GHC-78822] AssocDefaultNotAssoc [GHC-43510] NotSimpleUnliftedType [GHC-41843] IOResultExpected [GHC-07641] AtLeastOneArgExpected [GHC-52886] InvalidTopDecl Remove unused error constructors: [GHC-92057] ImportLookupAmbiguous - - - - - 36 changed files: - compiler/GHC/Tc/Errors/Ppr.hs - compiler/GHC/Tc/Errors/Types.hs - compiler/GHC/Types/Error/Codes.hs - testsuite/tests/diagnostic-codes/codes.stdout - testsuite/tests/ffi/should_fail/all.T - + testsuite/tests/ffi/should_fail/ccfail006.hs - + testsuite/tests/ffi/should_fail/ccfail006.stderr - + testsuite/tests/ffi/should_fail/ccfail007.hs - + testsuite/tests/ffi/should_fail/ccfail007.stderr - + testsuite/tests/ffi/should_fail/ccfail008.hs - + testsuite/tests/ffi/should_fail/ccfail008.stderr - + testsuite/tests/ffi/should_fail/ccfail009.hs - + testsuite/tests/ffi/should_fail/ccfail009.stderr - + testsuite/tests/th/AssocDefaultNotAssoc.hs - + testsuite/tests/th/AssocDefaultNotAssoc.stderr - + testsuite/tests/th/TH_InvalidTopDecl.hs - + testsuite/tests/th/TH_InvalidTopDecl.stderr - + testsuite/tests/th/TH_cvt_DefaultDataInstDecl.hs - + testsuite/tests/th/TH_cvt_DefaultDataInstDecl.stderr - + testsuite/tests/th/TH_cvt_GadtNoCons.hs - + testsuite/tests/th/TH_cvt_GadtNoCons.stderr - + testsuite/tests/th/TH_cvt_IllegalDeclaration.hs - + testsuite/tests/th/TH_cvt_IllegalDeclaration.stderr - + testsuite/tests/th/TH_cvt_IllegalSumAlt.hs - + testsuite/tests/th/TH_cvt_IllegalSumAlt.stderr - + testsuite/tests/th/TH_cvt_InvalidCCallImpent.hs - + testsuite/tests/th/TH_cvt_InvalidCCallImpent.stderr - + testsuite/tests/th/TH_cvt_InvalidTyFamInstLHS.hs - + testsuite/tests/th/TH_cvt_InvalidTyFamInstLHS.stderr - + testsuite/tests/th/TH_cvt_InvalidTypeInstanceHeader.hs - + testsuite/tests/th/TH_cvt_InvalidTypeInstanceHeader.stderr - + testsuite/tests/th/TH_cvt_RecGadtNoCons.hs - + testsuite/tests/th/TH_cvt_RecGadtNoCons.stderr - + testsuite/tests/th/TH_cvt_SumAltArityExceeded.hs - + testsuite/tests/th/TH_cvt_SumAltArityExceeded.stderr - testsuite/tests/th/all.T The diff was not included because it is too large. View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/b19fcc1c0aa8ca80511fe733d8a23b6c... -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/b19fcc1c0aa8ca80511fe733d8a23b6c... You're receiving this email because of your account on gitlab.haskell.org. Manage all notifications: https://gitlab.haskell.org/-/profile/notifications | Help: https://gitlab.haskell.org/help