Remove unused DiagnosticOutput::Emitter variant.

nnethercote · nnethercote · commit 68f5101cd5b2 · 2019-04-26T09:48:52.000+10:00
diff --git a/src/librustc/session/mod.rs b/src/librustc/session/mod.rs
@@ -1078,8 +1078,7 @@ fn default_emitter(
 
 pub enum DiagnosticOutput {
     Default,
-    Raw(Box<dyn Write + Send>),
-    Emitter(Box<dyn Emitter + Send + sync::Send>)
+    Raw(Box<dyn Write + Send>)
 }
 
 pub fn build_session_with_source_map(
@@ -1115,7 +1114,6 @@ pub fn build_session_with_source_map(
         DiagnosticOutput::Raw(write) => {
             default_emitter(&sopts, registry, &source_map, Some(write))
         }
-        DiagnosticOutput::Emitter(emitter) => emitter,
     };
 
     let diagnostic_handler = errors::Handler::with_emitter_and_flags(

Original file line number	Diff line number	Diff line change
`@@ -1078,8 +1078,7 @@ fn default_emitter(`
`1078`	`1078`
`1079`	`1079`	`pub enum DiagnosticOutput {`
`1080`	`1080`	`Default,`
`1081`		`- Raw(Box<dyn Write + Send>),`
`1082`		`- Emitter(Box<dyn Emitter + Send + sync::Send>)`
	`1081`	`+ Raw(Box<dyn Write + Send>)`
`1083`	`1082`	`}`
`1084`	`1083`
`1085`	`1084`	`pub fn build_session_with_source_map(`
`@@ -1115,7 +1114,6 @@ pub fn build_session_with_source_map(`
`1115`	`1114`	`DiagnosticOutput::Raw(write) => {`
`1116`	`1115`	`default_emitter(&sopts, registry, &source_map, Some(write))`
`1117`	`1116`	`}`
`1118`		`- DiagnosticOutput::Emitter(emitter) => emitter,`
`1119`	`1117`	`};`
`1120`	`1118`
`1121`	`1119`	`let diagnostic_handler = errors::Handler::with_emitter_and_flags(`