Auto merge of #3743 - phansch:you_shall_not_pass, r=flip1995

Move run-pass tests to UI tests

This should give us more UI coverage for free.
It also removes the `run-pass` suite, so we now only have the `ui` suite.

Author: bors

tests/compile-test.rs

@@ -133,7 +133,6 @@ fn prepare_env() {
 #[test]
 fn compile_test() {
     prepare_env();
-    run_mode("run-pass", "tests/run-pass".into());
     run_mode("ui", "tests/ui".into());
     run_ui_toml();
 }

tests/run-pass/ice-2727.rs

@@ -1,3 +1,5 @@
+/// Test for https://github.com/rust-lang/rust-clippy/issues/1698
+
 pub trait Trait {
     const CONSTANT: u8;
 }

tests/run-pass/ice-700.rs

@@ -1,4 +1,7 @@
 #[allow(dead_code)]
+
+/// Test for https://github.com/rust-lang/rust-clippy/issues/478
+
 enum Baz {
     One,
     Two,

tests/run-pass/associated-constant-ice.rs renamed to tests/ui/crashes/associated-constant-ice.rs

@@ -1,5 +1,7 @@
 #![allow(clippy::all)]
 
+/// Test for https://github.com/rust-lang/rust-clippy/issues/1588
+
 fn main() {
     match 1 {
         1 => {},

tests/run-pass/cc_seme.rs renamed to tests/ui/crashes/cc_seme.rs

@@ -1,5 +1,7 @@
 #![allow(clippy::all)]
 
+/// Test for https://github.com/rust-lang/rust-clippy/issues/1969
+
 fn main() {}
 
 pub trait Convert {