Rollup merge of rust-lang#62021 - crlf0710:msvc_link_output_improve, r=alexcrichton

MSVC link output improve

Resolves rust-lang#35785.

However i haven't come up with a idea to add test case for this :(

r? @retep998

Author: Mark-Simulacrum

src/librustc_codegen_ssa/back/link.rs

@@ -653,10 +653,14 @@ fn link_natively<'a, B: ArchiveBuilder<'a>>(sess: &'a Session,
             linker_error.emit();
 
             if sess.target.target.options.is_like_msvc && linker_not_found {
-                sess.note_without_error("the msvc targets depend on the msvc linker \
-                    but `link.exe` was not found");
-                sess.note_without_error("please ensure that VS 2013, VS 2015 or VS 2017 \
-                    was installed with the Visual C++ option");
+                sess.note_without_error(
+                    "the msvc targets depend on the msvc linker \
+                     but `link.exe` was not found",
+                );
+                sess.note_without_error(
+                    "please ensure that VS 2013, VS 2015, VS 2017 or VS 2019 \
+                     was installed with the Visual C++ option",
+                );
             }
             sess.abort_if_errors();
         }

src/librustc_target/spec/windows_msvc_base.rs

@@ -19,6 +19,10 @@ pub fn opts() -> TargetOptions {
         target_family: Some("windows".to_string()),
         is_like_windows: true,
         is_like_msvc: true,
+        // set VSLANG to 1033 can prevent link.exe from using
+        // language packs, and avoid generating Non-UTF-8 error
+        // messages if a link error occurred.
+        link_env: vec![("VSLANG".to_string(), "1033".to_string())],
         pre_link_args: args,
         crt_static_allows_dylibs: true,
         crt_static_respected: true,