Don't delay invalid LHS bug unless it will be covered by an error in check_overloaded_binop
#101388
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…n check_overloaded_binop
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r? @fee1-dead (rust-highfive has picked a reviewer for you, use r? to override) |
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| help: consider dereferencing the left-hand side of this operation | ||
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| LL | *(&mut Foo) += (); |
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This suggestion may be a bit strange here in this minimized example, but it makes sense if &mut Foo is coming from a function argument or something.
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FWIW, it looks like a function with a return type of &mut Foo can also trigger this ICE. foo() += ();
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| use std::ops::AddAssign; | ||
| struct Foo; | ||
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| impl AddAssign<()> for Foo { | ||
| fn add_assign(&mut self, _: ()) {} | ||
| } | ||
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| impl AddAssign<()> for &mut Foo { | ||
| fn add_assign(&mut self, _: ()) {} | ||
| } | ||
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| fn main() { | ||
| (&mut Foo) += (); | ||
| //~^ ERROR invalid left-hand side of assignment | ||
| //~| NOTE cannot assign to this expression | ||
| //~| HELP consider dereferencing the left-hand side of this operation | ||
| } |
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Could you please link this to #101376?
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| help: consider dereferencing the left-hand side of this operation | ||
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| LL | *(&mut Foo) += (); |
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FWIW, it looks like a function with a return type of &mut Foo can also trigger this ICE. foo() += ();
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@bors r+ rollup |
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…iaskrgr Rollup of 7 pull requests Successful merges: - rust-lang#101322 (Fix internal doc link) - rust-lang#101385 (updated description of File struct in std::fs) - rust-lang#101388 (Don't delay invalid LHS bug unless it will be covered by an error in `check_overloaded_binop`) - rust-lang#101394 (Forbid mixing `System` with direct sytem allocator calls) - rust-lang#101397 (rustdoc: remove redundant mobile-sized `.source nav:not(.sidebar).sub`) - rust-lang#101401 (Make `char::is_lowercase` and `char::is_uppercase` const) - rust-lang#101407 (Remove duplicated test (superseeded by search-form-elements.goml)) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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Fixes #101376