Look for the fXX_runtime lang items during method resolution.
@@ -14,7 +14,7 @@ use crate::{
nameres::CrateModuleId,
resolve::Resolver,
traits::TraitItem,
- ty::primitive::{UncertainFloatTy, UncertainIntTy},
+ ty::primitive::{FloatBitness, UncertainFloatTy, UncertainIntTy},
ty::{Ty, TypeCtor},
Crate, Function, HirDatabase, Module, Name, Trait,
};
@@ -132,9 +132,11 @@ fn def_crates(db: &impl HirDatabase, cur_crate: Crate, ty: &Ty) -> Option<ArrayV
TypeCtor::Adt(def_id) => Some(std::iter::once(def_id.krate(db)?).collect()),
TypeCtor::Bool => lang_item_crate!(db, cur_crate, "bool"),
TypeCtor::Char => lang_item_crate!(db, cur_crate, "char"),
- TypeCtor::Float(UncertainFloatTy::Known(f)) => {
- lang_item_crate!(db, cur_crate, f.ty_to_string())
- }
+ TypeCtor::Float(UncertainFloatTy::Known(f)) => match f.bitness {
+ // There are two lang items: one in libcore (fXX) and one in libstd (fXX_runtime)
+ FloatBitness::X32 => lang_item_crate!(db, cur_crate, "f32", "f32_runtime"),
+ FloatBitness::X64 => lang_item_crate!(db, cur_crate, "f64", "f64_runtime"),
+ },
TypeCtor::Int(UncertainIntTy::Known(i)) => {
lang_item_crate!(db, cur_crate, i.ty_to_string())
}
