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Fix bad copy-paste in can equal interface for pointer types 

When we perform method resolution we check if the self arguments can be
matched. Here the bug was that pointer types had a bad vistitor and only
could ever match reference types which is wrong and was a copy paste error.

Fixes #1031
This commit is contained in:
Philip Herron 2022-03-17 09:44:46 +00:00
parent bb234b080a
commit 6e385d2f25
2 changed files with 17 additions and 1 deletions
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2
gcc/rust/typecheck/rust-tyty-cmp.h
View File

@ -1240,7 +1240,7 @@ public:
: BaseCmp (base, emit_errors), base (base)
{}
void visit (const ReferenceType &type) override
void visit (const PointerType &type) override
{
auto base_type = base->get_base ();
auto other_base_type = type.get_base ();

16
gcc/testsuite/rust/compile/issue-1031.rs Normal file
View File

@ -0,0 +1,16 @@
extern "rust-intrinsic" {
pub fn offset<T>(dst: *const T, offset: isize) -> *const T;
}
#[lang = "const_ptr"]
impl<T> *const T {
pub const unsafe fn offset(self, count: isize) -> *const T {
// { dg-warning "associated function is never used" "" { target *-*-* } .-1 }
unsafe { offset(self, count) }
}
pub const unsafe fn add(self, count: usize) -> Self {
// { dg-warning "associated function is never used" "" { target *-*-* } .-1 }
unsafe { self.offset(count as isize) }
}
}