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compiletest: investigate if it's possible to do run-time capability detection against *target* #135928
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compiletest: investigate if it's possible to do run-time capability detection against *target*#135928
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A-compiletestArea: The compiletest test runnerArea: The compiletest test runnerA-crossArea: Cross compilationArea: Cross compilationC-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.E-hardCall for participation: Hard difficulty. Experience needed to fix: A lot.Call for participation: Hard difficulty. Experience needed to fix: A lot.E-needs-designThis issue needs exploration and design to see how and if we can fix/implement itThis issue needs exploration and design to see how and if we can fix/implement itT-bootstrapRelevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.
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A-compiletestArea: The compiletest test runnerArea: The compiletest test runnerA-crossArea: Cross compilationArea: Cross compilationC-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.E-hardCall for participation: Hard difficulty. Experience needed to fix: A lot.Call for participation: Hard difficulty. Experience needed to fix: A lot.E-needs-designThis issue needs exploration and design to see how and if we can fix/implement itThis issue needs exploration and design to see how and if we can fix/implement itT-bootstrapRelevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.
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Some tests are conditioned on capabilities, which are most accurately detected at run-time against the target under cross-compilation scenarios (compared to having to maintain allowlists or denylists of targets). However, implementing this is non-trivial:
wasmtime) or remote-test-server.