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[E0271] Type mismatch between associated type trait. #2562

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Merged
philberty merged 1 commit into from
Aug 28, 2023
Merged

[E0271] Type mismatch between associated type trait. #2562

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9 changes: 8 additions & 1 deletion gcc/rust/typecheck/rust-tyty.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -351,8 +351,15 @@ BaseType::satisfies_bound (const TypeBoundPredicate &predicate,
r.add_range (predicate.get_locus ());
r.add_range (mappings->lookup_location (i.get_hirid ()));

std::string rich_msg
= "expected " + bound_ty->destructure ()->get_name ()
+ ", found "
+ impl_item_ty->destructure ()->get_name ();
r.add_fixit_replace (rich_msg.c_str ());

rust_error_at (
r, "expected %<%s%> got %<%s%>",
r, ErrorCode::E0271,
"type mismatch, expected %qs but got %qs",
bound_ty->destructure ()->get_name ().c_str (),
impl_item_ty->destructure ()->get_name ().c_str ());
}
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2 changes: 1 addition & 1 deletion gcc/testsuite/rust/compile/issue-1725-2.rs
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Expand Up @@ -26,6 +26,6 @@ pub fn foo<T: core::ops::Add<Output = i32>>(a: T) -> i32 {

pub fn main() {
foo(123f32);
// { dg-error "expected .i32. got .f32." "" { target *-*-* } .-1 }
// { dg-error "type mismatch, expected .i32. but got .f32." "" { target *-*-* } .-1 }
// { dg-error "bounds not satisfied for f32 .Add. is not satisfied" "" { target *-*-* } .-2 }
}