Rollup of 2 pull requests #149007
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Rollup of 2 pull requests #149007
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add larger test for `proc_macro` `FromStr` implementations Currently, there are only few tests that check the output of `TokenStream::from_str` and `Literal::from_str` (which is somewhat understandable as the rustc implementation just delegates these calls to the parser). In preparation for both the standalone backend (rust-lang#130856) which will probably need to reimplement this logic as well as for removing panics from these functions (rust-lang#58736), this PR adds a test which shows the various messy ways of how these functions report errors and the return values for successful parses. Followup PRs such as rust-lang#147859 will change more and more of these "diagnostic + error"s into `LexErrors`. The test structure with the extra module is used to allow reusing it later easily for the standalone backend.
Error if an autodiff user does not set lto=fat Based on your feedback, I started to provide a nice error message for a lack of `lto=fat`, instead of us forcing it. In a next step, we should replace `RUSTFLAGS="-Zautodiff=Enable"` with another Cargo.toml setting, as discussed here: rust-lang#147487 (comment) As another improvement, we should also figure out why rlib builds do not properly obey the fat=lto setting. ``@bjorn3``
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Successful merges:
proc_macroFromStrimplementations #148505 (add larger test forproc_macroFromStrimplementations)Failed merges:
yarninstead ofnpmfor JS/TS dependencies #148763 (Useyarninstead ofnpmfor JS/TS dependencies)r? @ghost
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