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subst -> instantiate

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This commit is contained in:
lcnr
2023-09-25 15:46:38 +02:00
parent af68593179
commit 3c52a3e280
25 changed files with 66 additions and 75 deletions
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5
compiler/rustc_const_eval/src/interpret/util.rs
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@@ -4,7 +4,7 @@ use rustc_middle::ty::{
};
use std::ops::ControlFlow;
/// Checks whether a type contains generic parameters which require substitution.
/// Checks whether a type contains generic parameters which must be instantiated.
///
/// In case it does, returns a `TooGeneric` const eval error. Note that due to polymorphization
/// types may be "concrete enough" even though they still contain generic parameters in
@@ -43,7 +43,8 @@ where
.try_into()
.expect("more generic parameters than can fit into a `u32`");
// Only recurse when generic parameters in fns, closures and generators
// are used and require substitution.
// are used and have to be instantiated.
//
// Just in case there are closures or generators within this subst,
// recurse.
if unused_params.is_used(index) && subst.has_param() {