Auto merge of #136593 - lukas-code:ty-value-perf, r=<try>

[perf] try to mitigate regression in fast reject for `ty::Value`

#136318 (comment)

r? ghost

Author: bors

compiler/rustc_middle/src/ty/consts/valtree.rs

@@ -149,6 +149,7 @@ impl<'tcx> rustc_type_ir::inherent::ValueConst<TyCtxt<'tcx>> for Value<'tcx> {
         self.ty
     }
 
+    #[inline]
     fn valtree(self) -> ValTree<'tcx> {
         self.valtree
     }