Make short-error format GNU compatible

GuillaumeGomez · GuillaumeGomez · commit 426b63f8a3ae · 2018-05-31T20:09:27.000+02:00
diff --git a/src/librustc_errors/emitter.rs b/src/librustc_errors/emitter.rs
@@ -1047,7 +1047,7 @@ impl EmitterWriter {
                     }
                 } else {
                     buffer.prepend(0,
-                                   &format!("{}:{}:{} - ",
+                                   &format!("{}:{}:{}: ",
                                             loc.file.name,
                                             cm.doctest_offset_line(loc.line),
                                             loc.col.0 + 1),
diff --git a/src/test/ui/short-error-format.stderr b/src/test/ui/short-error-format.stderr
@@ -1,3 +1,3 @@
-$DIR/short-error-format.rs:16:9 - error[E0308]: mismatched types
-$DIR/short-error-format.rs:18:7 - error[E0599]: no method named `salut` found for type `u32` in the current scope
+$DIR/short-error-format.rs:16:9: error[E0308]: mismatched types
+$DIR/short-error-format.rs:18:7: error[E0599]: no method named `salut` found for type `u32` in the current scope
 error: aborting due to 2 previous errors

Original file line number	Diff line number	Diff line change
`@@ -1047,7 +1047,7 @@ impl EmitterWriter {`
`1047`	`1047`	`}`
`1048`	`1048`	`} else {`
`1049`	`1049`	`buffer.prepend(0,`
`1050`		`- &format!("{}:{}:{} - ",`
	`1050`	`+ &format!("{}:{}:{}: ",`
`1051`	`1051`	`loc.file.name,`
`1052`	`1052`	`cm.doctest_offset_line(loc.line),`
`1053`	`1053`	`loc.col.0 + 1),`