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Forked from Glasgow Haskell Compiler / GHC
6144 commits behind the upstream repository.
Bartłomiej Cieślar's avatar
Report deprecated fields bound by record wildcards when used
Bartłomiej Cieślar authored 
This commit ensures that we emit the appropriate warnings when
a deprecated record field bound by a record wildcard is used.

For example:

    module A where
    data Foo = Foo {x :: Int, y :: Bool, z :: Char}

    {-# DEPRECATED x "Don't use x" #-}
    {-# WARNING y "Don't use y" #-}

    module B where
    import A

    foo (Foo {..}) = x

This will cause us to emit a "Don't use x" warning, with location the
location of the record wildcard. Note that we don't warn about `y`,
because it is unused in the RHS of `foo`.

Fixes #23382
524c60c8
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Bartłomiej Cieślar's avatar 524c60c8
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README.md

GHC Testsuite Readme

For the full testsuite documentation, please see here.

Quick Guide

Commands to run testsuite:

  • Full testsuite: hadrian/build test
  • Using more threads: hadrian/build test -j12
  • Reduced (fast) testsuite: hadrian/build test --test-speed=fast
  • Run a specific test: hadrian/build test --only="tc055 tc054"
  • Test a specific 'way': hadrian/build test --test-way=optllvm
  • Skip performance tests: hadrian/build test --skip-perf
  • Set verbosity: hadrian/build test --test-verbose=<n> where n=0: No per-test output, n=1: Only failures, n=2: Progress output, n=3: Include commands called (default), n=4: Include perf test results unconditionally, n=5: Echo commands in subsidiary make invocations

Testsuite Ways

The testsuite can be run in a variety of 'ways'. This concept refers to different ways that GHC can compile the code. For example, using the native code generator (-fasm) is one way, while using the LLVM code generator (-fllvm) is another way.

The various ways that GHC supports are defined in config/ghc

Adding Tests

Please see the more extensive documentation here.