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c599761140
This function is now used to check `#[panic_handler]`, `start` lang item, `main`, `#[start]` and intrinsic functions. The diagnosis produced are now closer to the ones produced by trait/impl method signature mismatch.
59 lines
1.4 KiB
Rust
59 lines
1.4 KiB
Rust
// Regression test for #54505 - range borrowing suggestion had
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// incorrect syntax (missing parentheses).
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// This test doesn't use std
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// (so all Ranges resolve to core::ops::Range...)
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#![no_std]
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#![feature(lang_items)]
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use core::ops::RangeBounds;
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#[cfg(any(not(target_arch = "wasm32"), target_os = "emscripten"))]
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#[lang = "eh_personality"]
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extern "C" fn eh_personality() {}
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#[cfg(target_os = "emscripten")]
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#[lang = "eh_catch_typeinfo"]
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static EH_CATCH_TYPEINFO: u8 = 0;
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#[panic_handler]
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fn panic_handler(_: &core::panic::PanicInfo) -> ! {
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unimplemented!();
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}
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// take a reference to any built-in range
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fn take_range(_r: &impl RangeBounds<i8>) {}
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fn main() {
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take_range(0..1);
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//~^ ERROR mismatched types [E0308]
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//~| HELP consider borrowing here
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//~| SUGGESTION &(
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take_range(1..);
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//~^ ERROR mismatched types [E0308]
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//~| HELP consider borrowing here
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//~| SUGGESTION &(
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take_range(..);
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//~^ ERROR mismatched types [E0308]
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//~| HELP consider borrowing here
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//~| SUGGESTION &(
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take_range(0..=1);
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//~^ ERROR mismatched types [E0308]
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//~| HELP consider borrowing here
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//~| SUGGESTION &(
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take_range(..5);
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//~^ ERROR mismatched types [E0308]
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//~| HELP consider borrowing here
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//~| SUGGESTION &(
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take_range(..=42);
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//~^ ERROR mismatched types [E0308]
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//~| HELP consider borrowing here
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//~| SUGGESTION &(
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}
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