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c715166f

Commit c715166f authored 10 years ago by Simon Peyton Jones

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Improve error reporting for impredicative types

Don't suggest -XImpredicativeTypes; and document its flakiness
Fixes Trac #10325

parent 9d3bd3dc

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Changes 8

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compiler/typecheck/TcErrors.hs 1 addition, 1 deletion

compiler/typecheck/TcErrors.hs
compiler/typecheck/TcValidity.hs 1 addition, 1 deletion

compiler/typecheck/TcValidity.hs
docs/users_guide/glasgow_exts.xml 7 additions, 7 deletions

docs/users_guide/glasgow_exts.xml
testsuite/tests/typecheck/should_fail/T10194.stderr 2 additions, 2 deletions

testsuite/tests/typecheck/should_fail/T10194.stderr
testsuite/tests/typecheck/should_fail/T2538.stderr 4 additions, 4 deletions

testsuite/tests/typecheck/should_fail/T2538.stderr
testsuite/tests/typecheck/should_fail/T7809.stderr 2 additions, 2 deletions

testsuite/tests/typecheck/should_fail/T7809.stderr
testsuite/tests/typecheck/should_fail/tcfail127.stderr 2 additions, 2 deletions

testsuite/tests/typecheck/should_fail/tcfail127.stderr
testsuite/tests/typecheck/should_fail/tcfail197.stderr 2 additions, 2 deletions

testsuite/tests/typecheck/should_fail/tcfail197.stderr

with 21 additions and 21 deletions

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