rewrote error messages for #[rustc_error]

Author: traxys

src/librustc_codegen_utils/lib.rs

@@ -29,7 +29,10 @@ pub mod symbol_names_test;
 
 
 pub fn trigger_delay_span_bug(tcx: TyCtxt<'_>, key: DefId) {
-    tcx.sess.delay_span_bug(tcx.def_span(key), "compilation successful");
+    tcx.sess.delay_span_bug(
+        tcx.def_span(key),
+        "delayed span bug triggered by #[rustc_error(delay_span_bug_from_inside_query)]"
+    );
 }
 
 /// check for the #[rustc_error] annotation, which forces an
@@ -53,7 +56,10 @@ pub fn check_for_rustc_errors_attr(tcx: TyCtxt<'_>) {
                     }
                     // bare #[rustc_error]
                     None => {
-                        tcx.sess.span_fatal(tcx.def_span(def_id), "compilation successful");
+                        tcx.sess.span_fatal(
+                            tcx.def_span(def_id),
+                            "fatal error triggered by #[rustc_error]"
+                        );
                     }
                 }
             }

src/test/incremental/delayed_span_bug.rs

@@ -1,6 +1,6 @@
 // revisions: cfail1 cfail2
 // should-ice
-// error-pattern: compilation successful
+// error-pattern: fatal error triggered by #[rustc_error]
 
 #![feature(rustc_attrs)]
 

src/test/ui/associated-types/bound-lifetime-constrained.rs

@@ -45,4 +45,4 @@ fn clause2<T>() where T: for<'a> Fn() -> <() as Foo<'a>>::Item {
 }
 
 #[rustc_error]
-fn main() { } //[ok]~ ERROR compilation successful
+fn main() { } //[ok]~ ERROR fatal error triggered by #[rustc_error]

src/test/ui/associated-types/bound-lifetime-in-binding-only.ok.stderr

@@ -1,4 +1,4 @@
-error: compilation successful
+error: fatal error triggered by #[rustc_error]
   --> $DIR/bound-lifetime-in-binding-only.rs:71:1
    |
 LL | fn main() { }

src/test/ui/associated-types/bound-lifetime-in-binding-only.rs

@@ -68,4 +68,4 @@ fn ok3<T>() where for<'a> Parameterized<'a>: Foo<Item=&'a i32> {
 }
 
 #[rustc_error]
-fn main() { } //[ok]~ ERROR compilation successful
+fn main() { } //[ok]~ ERROR fatal error triggered by #[rustc_error]

src/test/ui/associated-types/bound-lifetime-in-return-only.ok.stderr

@@ -1,4 +1,4 @@
-error: compilation successful
+error: fatal error triggered by #[rustc_error]
   --> $DIR/bound-lifetime-in-return-only.rs:49:1
    |
 LL | fn main() { }

src/test/ui/associated-types/bound-lifetime-in-return-only.rs

@@ -46,4 +46,4 @@ fn ok2(_: &dyn for<'a,'b> Fn<(&'b Parameterized<'a>,), Output=&'a i32>) {
 }
 
 #[rustc_error]
-fn main() { } //[ok]~ ERROR compilation successful
+fn main() { } //[ok]~ ERROR fatal error triggered by #[rustc_error]

src/test/ui/associated-types/cache/project-fn-ret-contravariant.ok.stderr

@@ -1,4 +1,4 @@
-error: compilation successful
+error: fatal error triggered by #[rustc_error]
   --> $DIR/project-fn-ret-contravariant.rs:50:1
    |
 LL | fn main() { }

src/test/ui/associated-types/cache/project-fn-ret-contravariant.oneuse.stderr

@@ -1,4 +1,4 @@
-error: compilation successful
+error: fatal error triggered by #[rustc_error]
   --> $DIR/project-fn-ret-contravariant.rs:50:1
    |
 LL | fn main() { }

src/test/ui/associated-types/cache/project-fn-ret-contravariant.rs

@@ -48,5 +48,5 @@ fn transmute<'a,'b>(x: &'a u32, y: &'b u32) -> (&'a u32, &'b u32) {
 
 #[rustc_error]
 fn main() { }
-//[ok]~^ ERROR compilation successful
-//[oneuse]~^^ ERROR compilation successful
+//[ok]~^ ERROR fatal error triggered by #[rustc_error]
+//[oneuse]~^^ ERROR fatal error triggered by #[rustc_error]