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authorDylan DPC <99973273+Dylan-DPC@users.noreply.github.com>2022-11-19 11:54:44 +0530
committerGitHub <noreply@github.com>2022-11-19 11:54:44 +0530
commit00876c68c46d892790957931384d15d643de32fa (patch)
tree6d0ddaca897d40646adb9a681ae78f3e236e6226 /compiler/rustc_const_eval/src/util/mod.rs
parentaeeac5dd0c079cbe36ea5ba6eed702e88906eb16 (diff)
parentb2e6d08e3f88aee01d84412e0ea8369c48e0f419 (diff)
downloadrust-00876c68c46d892790957931384d15d643de32fa.tar.gz
rust-00876c68c46d892790957931384d15d643de32fa.zip
Rollup merge of #104411 - lcnr:bivariance-nll, r=compiler-errors
nll: correctly deal with bivariance

fixes #104409

when in a bivariant context, relating stuff should always trivially succeed. Also changes the mir validator to correctly deal with higher ranked regions.

r? types cc ``@RalfJung``
Diffstat (limited to 'compiler/rustc_const_eval/src/util/mod.rs')
-rw-r--r--compiler/rustc_const_eval/src/util/mod.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/rustc_const_eval/src/util/mod.rs b/compiler/rustc_const_eval/src/util/mod.rs
index 4d0f81a4060..76ea5a24e69 100644
--- a/compiler/rustc_const_eval/src/util/mod.rs
+++ b/compiler/rustc_const_eval/src/util/mod.rs
@@ -2,6 +2,7 @@ pub mod aggregate;
 mod alignment;
 mod call_kind;
 pub mod collect_writes;
+mod compare_types;
 mod find_self_call;
 mod might_permit_raw_init;
 mod type_name;
@@ -9,6 +10,7 @@ mod type_name;
 pub use self::aggregate::expand_aggregate;
 pub use self::alignment::is_disaligned;
 pub use self::call_kind::{call_kind, CallDesugaringKind, CallKind};
+pub use self::compare_types::{is_equal_up_to_subtyping, is_subtype};
 pub use self::find_self_call::find_self_call;
 pub use self::might_permit_raw_init::might_permit_raw_init;
 pub use self::type_name::type_name;