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authorlcnr <rust@lcnr.de>2022-03-10 11:39:12 +0100
committerGitHub <noreply@github.com>2022-03-10 11:39:12 +0100
commit5b6b348b8525686d828621ecfa30a282a7269d0c (patch)
treeceb2bccc266d1f11dc009906b29eb016f5b26fb5
parent299dd02e11f9165cc9e9b2038eb6723d96767b60 (diff)
downloadrust-5b6b348b8525686d828621ecfa30a282a7269d0c.tar.gz
rust-5b6b348b8525686d828621ecfa30a282a7269d0c.zip
don't hash `()`
-rw-r--r--compiler/rustc_middle/src/ty/impls_ty.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/ty/impls_ty.rs b/compiler/rustc_middle/src/ty/impls_ty.rs
index 1dc7083c2a0..ead3d6de16c 100644
--- a/compiler/rustc_middle/src/ty/impls_ty.rs
+++ b/compiler/rustc_middle/src/ty/impls_ty.rs
@@ -78,7 +78,7 @@ impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for ty::subst::GenericArgKin
             // that high.
             ty::subst::GenericArgKind::Type(ty) => ty.hash_stable(hcx, hasher),
             ty::subst::GenericArgKind::Const(ct) => {
-                0xF3u8.hash_stable(hcx, hasher).hash_stable(hcx, hasher);
+                0xF3u8.hash_stable(hcx, hasher);
                 ct.hash_stable(hcx, hasher);
             }
             ty::subst::GenericArgKind::Lifetime(lt) => {