Improve the error messages for class instance errors
Summary: See Note [Displaying potential instances]. Reviewers: austin Subscribers: KaneTW, thomie Differential Revision: https://phabricator.haskell.org/D1176
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- compiler/main/DynFlags.hs 2 additions, 0 deletionscompiler/main/DynFlags.hs
- compiler/typecheck/TcErrors.hs 88 additions, 18 deletionscompiler/typecheck/TcErrors.hs
- docs/users_guide/flags.xml 6 additions, 0 deletionsdocs/users_guide/flags.xml
- docs/users_guide/using.xml 10 additions, 0 deletionsdocs/users_guide/using.xml
- testsuite/tests/annotations/should_fail/annfail10.stderr 27 additions, 25 deletionstestsuite/tests/annotations/should_fail/annfail10.stderr
- testsuite/tests/ghci.debugger/scripts/break006.stderr 34 additions, 32 deletionstestsuite/tests/ghci.debugger/scripts/break006.stderr
- testsuite/tests/ghci.debugger/scripts/print019.stderr 3 additions, 2 deletionstestsuite/tests/ghci.debugger/scripts/print019.stderr
- testsuite/tests/ghci/scripts/Defer02.stderr 194 additions, 193 deletionstestsuite/tests/ghci/scripts/Defer02.stderr
- testsuite/tests/indexed-types/should_fail/T4485.stderr 3 additions, 3 deletionstestsuite/tests/indexed-types/should_fail/T4485.stderr
- testsuite/tests/overloadedlists/should_fail/overloadedlistsfail01.stderr 35 additions, 33 deletions.../overloadedlists/should_fail/overloadedlistsfail01.stderr
- testsuite/tests/quotes/TH_localname.stderr 2 additions, 1 deletiontestsuite/tests/quotes/TH_localname.stderr
- testsuite/tests/rebindable/rebindable6.stderr 3 additions, 3 deletionstestsuite/tests/rebindable/rebindable6.stderr
- testsuite/tests/rename/should_fail/mc14.stderr 15 additions, 14 deletionstestsuite/tests/rename/should_fail/mc14.stderr
- testsuite/tests/typecheck/should_compile/holes2.stderr 20 additions, 19 deletionstestsuite/tests/typecheck/should_compile/holes2.stderr
- testsuite/tests/typecheck/should_fail/T4921.stderr 19 additions, 19 deletionstestsuite/tests/typecheck/should_fail/T4921.stderr
- testsuite/tests/typecheck/should_fail/T5095.stderr 5 additions, 73 deletionstestsuite/tests/typecheck/should_fail/T5095.stderr
- testsuite/tests/typecheck/should_fail/T5858.stderr 2 additions, 2 deletionstestsuite/tests/typecheck/should_fail/T5858.stderr
- testsuite/tests/typecheck/should_fail/T7857.stderr 2 additions, 2 deletionstestsuite/tests/typecheck/should_fail/T7857.stderr
- testsuite/tests/typecheck/should_fail/tcfail008.stderr 4 additions, 3 deletionstestsuite/tests/typecheck/should_fail/tcfail008.stderr
- testsuite/tests/typecheck/should_fail/tcfail040.stderr 2 additions, 2 deletionstestsuite/tests/typecheck/should_fail/tcfail040.stderr
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