compiletest -Zbuild-dir-new-layout support - #642
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eddyb
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This mechanism was already pretty hacky, whatever it takes to keep it working seems fine to me (long-term the new build dir layout might allow some interesting caching AIUI, unsure how that will interact with anything else we do).
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See https://blog.rust-lang.org/2026/03/13/call-for-testing-build-dir-layout-v2/
Will be enabled by default starting
nightly-2026-07-31.Only affects our compiletest infra, since
spirv-builderusescargo metadatato query target dir location to only append./target/spirv-builder.