fixup

Author: ZuseZ4

compiler/rustc_target/src/spec/mod.rs

@@ -2753,7 +2753,7 @@ impl Target {
         );
         check_eq!(
             self.is_like_gpu,
-            self.os == "nvptx64" || self.os == "amdgcn",
+            self.arch == "nvptx64" || self.arch == "amdgpu",
             "`is_like_gpu` must be set if and only if `target` is `nvptx64` or `amdgcn`"
         );
         check_eq!(