From 2fd874d0d5ec1618e488d0d10b8b67553aeaaf1e Mon Sep 17 00:00:00 2001
From: Giacomo Stevanato <giaco.stevanato@gmail.com>
Date: Tue, 3 Aug 2021 13:18:06 +0200
Subject: [PATCH] Fix overflow when calculating expected_min in generics
 diagnostics

---
 compiler/rustc_typeck/src/astconv/generics.rs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/compiler/rustc_typeck/src/astconv/generics.rs b/compiler/rustc_typeck/src/astconv/generics.rs
index 9e700d9e8d8..64a6049ec52 100644
--- a/compiler/rustc_typeck/src/astconv/generics.rs
+++ b/compiler/rustc_typeck/src/astconv/generics.rs
@@ -613,7 +613,6 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
                 param_counts.consts + named_type_param_count
                     - default_counts.types
                     - default_counts.consts
-                    - synth_type_param_count
             };
             debug!("expected_min: {:?}", expected_min);
             debug!("arg_counts.lifetimes: {:?}", gen_args.num_lifetime_params());