fixup! trait_sel: temporary impl Sized for scalable vecs

davidtwco · davidtwco · commit 4a1746cc820f · 2025-07-14T11:34:10.000Z
diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs
@@ -2138,7 +2138,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> {
                 // line will be required anyway and will be correct, just that in the host effect
                 // builtin impl for sizedness, it won't be `const Sized`.
                 if def.repr().scalable() {
-                    return Where(ty::Binder::dummy(Vec::new()));
+                    return ty::Binder::dummy(vec![]);
                 }
 
                 if let Some(crit) = def.sizedness_constraint(self.tcx(), sizedness) {

Original file line number	Diff line number	Diff line change
`@@ -2138,7 +2138,7 @@ impl<'tcx> SelectionContext<'_, 'tcx> {`
`2138`	`2138`	`// line will be required anyway and will be correct, just that in the host effect`
`2139`	`2139`	// builtin impl for sizedness, it won't be `const Sized`.
`2140`	`2140`	`if def.repr().scalable() {`
`2141`		`- return Where(ty::Binder::dummy(Vec::new()));`
	`2141`	`+ return ty::Binder::dummy(vec![]);`
`2142`	`2142`	`}`
`2143`	`2143`
`2144`	`2144`	`if let Some(crit) = def.sizedness_constraint(self.tcx(), sizedness) {`