Rollup merge of rust-lang#54680 - RalfJung:compile-pass, r=pnkfelix

make run-pass tests with empty main just compile-pass tests

Many run-pass tests have an empty main, so there is not actually any point in running them. This makes them `compile-pass` tests instead, saving some time (generating the binary and then running it).

For now I did this only for `run-pass/issues`; if there is interest I can also do it for the other directories. I used `^\s*fn\s+main\(\s*\)\s*\{\s*\}` as regexp to identify these files.

Author: pietroalbini

src/test/run-pass/issues/issue-10396.rs src/test/ui/issues/issue-10396.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 #[derive(Debug)]
 enum Foo<'s> {

src/test/run-pass/issues/issue-10456.rs src/test/ui/issues/issue-10456.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 // pretty-expanded FIXME #23616
 
 pub struct Foo;

src/test/run-pass/issues/issue-10763.rs src/test/ui/issues/issue-10763.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 // pretty-expanded FIXME #23616
 

src/test/run-pass/issues/issue-10853.rs src/test/ui/issues/issue-10853.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 // pretty-expanded FIXME #23616
 
 #![deny(missing_docs)]

src/test/run-pass/issues/issue-10902.rs src/test/ui/issues/issue-10902.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 // pretty-expanded FIXME #23616
 

src/test/run-pass/issues/issue-11384.rs src/test/ui/issues/issue-11384.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 // pretty-expanded FIXME #23616
 
 trait Common { fn dummy(&self) { } }

src/test/run-pass/issues/issue-11592.rs src/test/ui/issues/issue-11592.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 //! Ensure the private trait Bar isn't complained about.
 
 #![deny(missing_docs)]

src/test/run-pass/issues/issue-11612.rs src/test/ui/issues/issue-11612.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 // #11612
 // We weren't updating the auto adjustments with all the resolved

src/test/run-pass/issues/issue-11869.rs src/test/ui/issues/issue-11869.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 // pretty-expanded FIXME #23616
 

src/test/run-pass/issues/issue-1251.rs src/test/ui/issues/issue-1251.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(unused_attributes)]
 #![allow(dead_code)]
 // pretty-expanded FIXME #23616

src/test/run-pass/issues/issue-12729.rs src/test/ui/issues/issue-12729.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 // pretty-expanded FIXME #23616
 

src/test/run-pass/issues/issue-13105.rs src/test/ui/issues/issue-13105.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 // pretty-expanded FIXME #23616
 
 trait Foo {

src/test/run-pass/issues/issue-13167.rs src/test/ui/issues/issue-13167.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 // pretty-expanded FIXME #23616
 
 use std::slice;

src/test/run-pass/issues/issue-13214.rs src/test/ui/issues/issue-13214.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 // defining static with struct that contains enum
 // with &'static str variant used to cause ICE

src/test/run-pass/issues/issue-13405.rs src/test/ui/issues/issue-13405.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 #![allow(unused_variables)]
 // pretty-expanded FIXME #23616

src/test/run-pass/issues/issue-13703.rs src/test/ui/issues/issue-13703.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 // pretty-expanded FIXME #23616
 
 pub struct Foo<'a, 'b: 'a> { foo: &'a &'b isize }

src/test/run-pass/issues/issue-13775.rs src/test/ui/issues/issue-13775.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 // pretty-expanded FIXME #23616
 
 trait Foo {

src/test/run-pass/issues/issue-13837.rs src/test/ui/issues/issue-13837.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 // pretty-expanded FIXME #23616
 

src/test/run-pass/issues/issue-14082.rs src/test/ui/issues/issue-14082.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 // pretty-expanded FIXME #23616
 
 #![allow(unused_imports, dead_code)]

src/test/run-pass/issues/issue-14254.rs src/test/ui/issues/issue-14254.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 // pretty-expanded FIXME #23616
 
 trait Foo: Sized {

src/test/run-pass/issues/issue-14330.rs src/test/ui/issues/issue-14330.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(unused_imports)]
 // pretty-expanded FIXME #23616
 

src/test/run-pass/issues/issue-14837.rs src/test/ui/issues/issue-14837.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 // pretty-expanded FIXME #23616
 
 #[deny(dead_code)]

src/test/run-pass/issues/issue-14901.rs src/test/ui/issues/issue-14901.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 pub trait Reader {}
 
 enum Wrapper<'a> {

src/test/run-pass/issues/issue-14933.rs src/test/ui/issues/issue-14933.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 // pretty-expanded FIXME #23616
 
 pub type BigRat<T = isize> = T;

src/test/run-pass/issues/issue-14936.rs src/test/ui/issues/issue-14936.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(unused_macros)]
 #![allow(dead_code)]
 #![feature(asm)]

src/test/run-pass/issues/issue-14959.rs src/test/ui/issues/issue-14959.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 // pretty-expanded FIXME #23616
 
 #![feature(fn_traits, unboxed_closures)]

src/test/run-pass/issues/issue-15108.rs src/test/ui/issues/issue-15108.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 // pretty-expanded FIXME #23616
 
 fn main() {}

src/test/run-pass/issues/issue-15261.rs src/test/ui/issues/issue-15261.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 #![allow(non_upper_case_globals)]
 

src/test/run-pass/issues/issue-15689-2.rs src/test/ui/issues/issue-15689-2.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 // pretty-expanded FIXME #23616
 

src/test/run-pass/issues/issue-15735.rs src/test/ui/issues/issue-15735.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 struct A<'a> {
     a: &'a i32,

src/test/run-pass/issues/issue-16596.rs src/test/ui/issues/issue-16596.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 
 trait MatrixRow { fn dummy(&self) { }}

src/test/run-pass/issues/issue-16668.rs src/test/ui/issues/issue-16668.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 struct Parser<'a, I, O> {
     parse: Box<FnMut(I) -> Result<O, String> + 'a>

src/test/run-pass/issues/issue-17121.rs src/test/ui/issues/issue-17121.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 // pretty-expanded FIXME #23616
 // ignore-cloudabi no std::fs

src/test/run-pass/issues/issue-17336.rs src/test/ui/issues/issue-17336.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(unused_must_use)]
 #[allow(dead_code)]
 fn check(a: &str) {

src/test/run-pass/issues/issue-17450.rs src/test/ui/issues/issue-17450.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code, warnings)]
 
 static mut x: isize = 3;

src/test/run-pass/issues/issue-17718-const-destructors.rs src/test/ui/issues/issue-17718-const-destructors.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 struct A;
 impl Drop for A {

src/test/run-pass/issues/issue-17732.rs src/test/ui/issues/issue-17732.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 // pretty-expanded FIXME #23616
 

src/test/run-pass/issues/issue-17746.rs src/test/ui/issues/issue-17746.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 // Regression test for #17746
 

src/test/run-pass/issues/issue-17904.rs src/test/ui/issues/issue-17904.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 // Test that we can parse where clauses on various forms of tuple
 // structs.

src/test/run-pass/issues/issue-18083.rs src/test/ui/issues/issue-18083.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 #![allow(unused_imports)]
 // These crossed imports should resolve fine, and not block on

src/test/run-pass/issues/issue-18088.rs src/test/ui/issues/issue-18088.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 
 pub trait Indexable<T>: std::ops::Index<usize, Output = T> {
     fn index2(&self, i: usize) -> &T {

src/test/run-pass/issues/issue-18188.rs src/test/ui/issues/issue-18188.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 // pretty-expanded FIXME #23616
 
 pub trait Promisable: Send + Sync {}

src/test/run-pass/issues/issue-1821.rs src/test/ui/issues/issue-1821.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 #![allow(non_camel_case_types)]
 

src/test/run-pass/issues/issue-18446.rs src/test/ui/issues/issue-18446-2.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// run-pass
+// compile-pass
 #![allow(dead_code)]
 // Test that methods in trait impls should override default methods.