my rust fork
https://www.rust-lang.org
f0b932e723
Currently the default release profile enables LTO and single CGU builds, which is very slow to build. Most tests are better run with optimizations enabled since it allows testing a much larger number of inputs, so it is inconvenient that building can sometimes take significantly longer than the tests. Remedy this by doing the following: * Move the existing `release` profile to `release-opt`. * With the above, the default `release` profile is untouched (16 CGUs and thin local LTO). * `release-checked` inherits `release`, so no LTO or single CGU. This means that the simple `cargo test --release` becomes much faster for local development. We are able to enable the other profiles as needed in CI. Tests should ideally still be run with `--profile release-checked` to ensure there are no debug assetions or unexpected wrapping math hit. `no-panic` still needs a single CGU, so must be run with `--profile release-opt`. Since it is not possible to detect CGU or profilel configuration from within build scripts, the `ENSURE_NO_PANIC` environment variable must now always be set. |
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