From 4d0eb81d86aa1306de906a0b7507202ef284609d Mon Sep 17 00:00:00 2001
From: khyperia <github@khyperia.com>
Date: Wed, 14 Oct 2020 09:19:25 +0200
Subject: [PATCH] rustup update

---
 rustc_codegen_spirv/src/lib.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/rustc_codegen_spirv/src/lib.rs b/rustc_codegen_spirv/src/lib.rs
index 108ee96f42..0840beff47 100644
--- a/rustc_codegen_spirv/src/lib.rs
+++ b/rustc_codegen_spirv/src/lib.rs
@@ -520,6 +520,10 @@ impl ExtraBackendMethods for SpirvCodegenBackend {
     fn target_cpu<'b>(&self, _: &'b Session) -> &'b str {
         todo!()
     }
+
+    fn tune_cpu<'b>(&self, _: &'b Session) -> Option<&'b str> {
+        None
+    }
 }
 
 struct DumpModuleOnPanic<'a, 'cx, 'tcx> {