don't hash ()

lcnr · web-flow · commit 5b6b348b8525 · 2022-03-10T11:39:12.000+01:00
diff --git 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) => {

Original file line number	Diff line number	Diff line change
`@@ -78,7 +78,7 @@ impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for ty::subst::GenericArgKin`
`78`	`78`	`// that high.`
`79`	`79`	`ty::subst::GenericArgKind::Type(ty) => ty.hash_stable(hcx, hasher),`
`80`	`80`	`ty::subst::GenericArgKind::Const(ct) => {`
`81`		`- 0xF3u8.hash_stable(hcx, hasher).hash_stable(hcx, hasher);`
	`81`	`+ 0xF3u8.hash_stable(hcx, hasher);`
`82`	`82`	`ct.hash_stable(hcx, hasher);`
`83`	`83`	`}`
`84`	`84`	`ty::subst::GenericArgKind::Lifetime(lt) => {`