Add 'mut' to temporary vars in MIR graphviz output.

solson · solson · commit 56343cd6535f · 2016-01-02T07:12:35.000-06:00
diff --git a/src/librustc_mir/graphviz.rs b/src/librustc_mir/graphviz.rs
@@ -117,7 +117,7 @@ fn write_graph_label<W: Write>(mir: &Mir, w: &mut W) -> io::Result<()> {
 
     // Compiler-introduced temporary types.
     for (i, temp) in mir.temp_decls.iter().enumerate() {
-        try!(write!(w, r#"let {:?}: {};<br align="left"/>"#,
+        try!(write!(w, r#"let mut {:?}: {};<br align="left"/>"#,
                     Lvalue::Temp(i as u32), escape(&temp.ty)));
     }
 

Original file line number	Diff line number	Diff line change
`@@ -117,7 +117,7 @@ fn write_graph_label<W: Write>(mir: &Mir, w: &mut W) -> io::Result<()> {`
`117`	`117`
`118`	`118`	`// Compiler-introduced temporary types.`
`119`	`119`	`for (i, temp) in mir.temp_decls.iter().enumerate() {`
`120`		`- try!(write!(w, r#"let {:?}: {};<br align="left"/>"#,`
	`120`	`+ try!(write!(w, r#"let mut {:?}: {};<br align="left"/>"#,`
`121`	`121`	`Lvalue::Temp(i as u32), escape(&temp.ty)));`
`122`	`122`	`}`
`123`	`123`