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rust/compiler/rustc_codegen_ssa
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Matthias Krüger 52d550b20e
Rollup merge of #110872 - Jules-Bertholet:err-67981, r=wesleywiser 
Nicer ICE for #67981

Provides a slightly nicer ICE for #67981, documenting the problem. A proper fix will be necessary before `#![feature(unsized_fn_params)]` can be stabilized.

The problem is that the design of the `"rust-call"` ABI is fundamentally not compatible with `unsized_fn_params`. `"rust-call"` functions need to collect their arguments into a tuple, but if the arguments are not `Sized`, said tuple is potentially not even a valid type—and if it is, it requires `alloca` to create.

``@rustbot`` label +A-abi +A-codegen +F-unboxed_closures +F-unsized_fn_params
2023-04-27 15:10:56 +02:00
..
src Rollup merge of #110872 - Jules-Bertholet:err-67981, r=wesleywiser 2023-04-27 15:10:56 +02:00
Cargo.toml drop unused deps, gate libc under unix for one crate 2023-04-22 15:22:21 +03:00
messages.ftl Fix static string lints 2023-04-25 18:59:55 +01:00
README.md mv compiler to compiler/ 2020-08-30 18:45:07 +03:00

README.md

Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.