Re: Running test with the stage-1 compiler

For what it's worth, there's a "shortcut" to save a few keystrokes: --test-compiler=stage1 But this broke at some point in the past few months, as documented in #17528. I am however working on a patch to make this work. On 09/12/2019 23:23, Ben Gamari wrote:

Simon Peyton Jones via ghc-devs writes:

...

Apparently 'sh validate' now uses Hadrian. This has broken one of my workflows:

* build the stage1 compiler * cd testsuite/tests * make stage=1

That is, run the testsuite with the stage-1 compile. (This often produces a small test case for a compiler crash, much easier than debugging GHC compiling itself.) How do I do this? I suspect (but have not tested) that you can accomplish this with

hadrian/build.cabal.sh --flavor=validate --build-root=_buildvalidate --test-compiler=_buildvalidate/stage0/bin/ghc

Although I'll admit this is far from convenient. If you weren't using the `validate` script this would just be

hadrian/build.cabal.sh --test-compiler=_build/stage0/bin/ghc

Cheers,

- Ben

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