Add must-compile-successfully comment to appropriate ui tests.

src/test/ui/check_match/issue-43253.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// must-compile-successfully
+
 #![feature(exclusive_range_pattern)]
 #![warn(unreachable_patterns)]
 

src/test/ui/codemap_tests/unicode_3.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// must-compile-successfully
+
 fn main() {
     let s = "ZͨA͑ͦ͒͋ͤ͑̚L̄͑͋Ĝͨͥ̿͒̽̈́Oͥ͛ͭ!̏"; while true { break; }
     println!("{}", s);

src/test/ui/explain.rs

@@ -9,3 +9,4 @@
 // except according to those terms.
 
 // compile-flags: --explain E0591
+// must-compile-successfully

src/test/ui/hello_world/main.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// must-compile-successfully
+
 // Test that compiling hello world succeeds with no output of any kind.
 
 fn main() {

src/test/ui/lint/command-line-lint-group-allow.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // compile-flags: -A bad-style
+// must-compile-successfully
 
 fn main() {
     let _InappropriateCamelCasing = true;

src/test/ui/lint/command-line-lint-group-warn.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // compile-flags: -W bad-style
+// must-compile-successfully
 
 fn main() {
     let _InappropriateCamelCasing = true;

src/test/ui/lint/not_found.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// must-compile-successfully
+
 // this tests the `unknown_lint` lint, especially the suggestions
 
 // the suggestion only appears if a lint with the lowercase name exists

src/test/ui/lint/unreachable_pub-pub_crate.rs

@@ -14,6 +14,8 @@
 // suggestions to use `crate` given when it is on). When that feature becomes
 // stable, this test can be deleted.
 
+// must-compile-successfully
+
 #![feature(macro_vis_matcher)]
 
 #![allow(unused)]

src/test/ui/lint/unreachable_pub.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// must-compile-successfully
+
 #![feature(crate_visibility_modifier)]
 #![feature(macro_vis_matcher)]
 

src/test/ui/lint/unused_parens_json_suggestion.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // compile-flags: --error-format pretty-json -Zunstable-options
+// must-compile-successfully
 
 // The output for humans should just highlight the whole span without showing
 // the suggested replacement, but we also want to test that suggested

src/test/ui/macros/trace-macro.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // compile-flags: -Z trace-macros
+// must-compile-successfully
 
 fn main() {
     println!("Hello, World!");

src/test/ui/nll/closure-requirements/propagate-approximated-ref.rs

@@ -28,6 +28,7 @@
 // requirement, as you can see from the `#[rustc_regions]` output.
 
 // compile-flags:-Znll -Zborrowck=mir -Zverbose
+// must-compile-successfully
 
 #![feature(rustc_attrs)]
 

src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-no-bound.rs

@@ -17,6 +17,7 @@
 // these errors are not (yet) reported.
 
 // compile-flags:-Znll -Zborrowck=mir -Zverbose
+// must-compile-successfully
 
 #![feature(rustc_attrs)]
 

src/test/ui/nll/closure-requirements/propagate-approximated-shorter-to-static-wrong-bound.rs

@@ -18,6 +18,7 @@
 // these errors are not (yet) reported.
 
 // compile-flags:-Znll -Zborrowck=mir -Zverbose
+// must-compile-successfully
 
 #![feature(rustc_attrs)]
 

src/test/ui/nll/closure-requirements/propagate-approximated-val.rs

@@ -16,6 +16,7 @@
 // anonymous regions as well.
 
 // compile-flags:-Znll -Zborrowck=mir -Zverbose
+// must-compile-successfully
 
 #![feature(rustc_attrs)]
 

src/test/ui/nll/closure-requirements/propagate-despite-same-free-region.rs

@@ -14,6 +14,7 @@
 // regions is erased.
 
 // compile-flags:-Znll -Zborrowck=mir -Zverbose
+// must-compile-successfully
 
 #![feature(rustc_attrs)]
 

src/test/ui/nll/maybe-initialized-drop-uninitialized.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 //compile-flags: -Z emit-end-regions -Zborrowck=mir -Z nll
+// must-compile-successfully
 
 #![allow(warnings)]
 

src/test/ui/print-fuel/print-fuel.rs

@@ -12,6 +12,7 @@
 #![allow(dead_code)]
 
 // compile-flags: -Z print-fuel=foo
+// must-compile-successfully
 
 struct S1(u8, u16, u8);
 struct S2(u8, u16, u8);

src/test/ui/print_type_sizes/anonymous.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // compile-flags: -Z print-type-sizes
+// must-compile-successfully
 
 // All of the types that occur in this function are uninteresting, in
 // that one cannot control the sizes of these types with the same sort

src/test/ui/print_type_sizes/generics.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // compile-flags: -Z print-type-sizes
+// must-compile-successfully
 
 // This file illustrates how generics are handled: types have to be
 // monomorphized, in the MIR of the original function in which they

src/test/ui/print_type_sizes/multiple_types.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // compile-flags: -Z print-type-sizes
+// must-compile-successfully
 
 // This file illustrates that when multiple structural types occur in
 // a function, every one of them is included in the output.

src/test/ui/print_type_sizes/niche-filling.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // compile-flags: -Z print-type-sizes
+// must-compile-successfully
 
 // This file illustrates how niche-filling enums are handled,
 // modelled after cases like `Option<&u32>`, `Option<bool>` and such.

src/test/ui/print_type_sizes/no_duplicates.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // compile-flags: -Z print-type-sizes
+// must-compile-successfully
 
 // This file illustrates that when the same type occurs repeatedly
 // (even if multiple functions), it is only printed once in the

src/test/ui/print_type_sizes/packed.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // compile-flags: -Z print-type-sizes
+// must-compile-successfully
 
 // This file illustrates how packing is handled; it should cause
 // the elimination of padding that would normally be introduced

src/test/ui/print_type_sizes/padding.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // compile-flags: -Z print-type-sizes
+// must-compile-successfully
 
 // This file illustrates how padding is handled: alignment
 // requirements can lead to the introduction of padding, either before

src/test/ui/print_type_sizes/repr-align.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // compile-flags: -Z print-type-sizes
+// must-compile-successfully
 
 // This file illustrates how padding is handled: alignment
 // requirements can lead to the introduction of padding, either before

src/test/ui/print_type_sizes/uninhabited.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // compile-flags: -Z print-type-sizes
+// must-compile-successfully
 
 #![feature(never_type)]
 

src/test/ui/print_type_sizes/variants.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 // compile-flags: -Z print-type-sizes
+// must-compile-successfully
 
 // This file illustrates two things:
 //

src/test/ui/reachable/expr_andand.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// must-compile-successfully
+
 #![allow(unused_variables)]
 #![allow(dead_code)]
 #![deny(unreachable_code)]

src/test/ui/reachable/expr_oror.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// must-compile-successfully
+
 #![allow(unused_variables)]
 #![allow(dead_code)]
 #![deny(unreachable_code)]

src/test/ui/rfc_1940-must_use_on_functions/fn_must_use.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// must-compile-successfully
+
 #![feature(fn_must_use)]
 #![warn(unused_must_use)]
 

src/test/ui/span/macro-span-replacement.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// must-compile-successfully
+
 #![warn(unused)]
 
 macro_rules! m {

src/test/ui/span/multispan-import-lint.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// must-compile-successfully
+
 #![warn(unused)]
 
 use std::cmp::{Eq, Ord, min, PartialEq, PartialOrd};