Fix panic when using debug

GuillaumeGomez · GuillaumeGomez · commit 9ac3d9b63ccd · 2016-06-17T12:33:55.000+02:00
diff --git a/src/libsyntax/print/pprust.rs b/src/libsyntax/print/pprust.rs
@@ -1031,7 +1031,7 @@ impl<'a> State<'a> {
                 try!(word(&mut self.s, "_"));
             }
             ast::TyKind::ImplicitSelf => {
-                unreachable!();
+                try!(word(&mut self.s, "Self"));
             }
             ast::TyKind::Mac(ref m) => {
                 try!(self.print_mac(m, token::Paren));

Original file line number	Diff line number	Diff line change
`@@ -1031,7 +1031,7 @@ impl<'a> State<'a> {`
`1031`	`1031`	`try!(word(&mut self.s, "_"));`
`1032`	`1032`	`}`
`1033`	`1033`	`ast::TyKind::ImplicitSelf => {`
`1034`		`- unreachable!();`
	`1034`	`+ try!(word(&mut self.s, "Self"));`
`1035`	`1035`	`}`
`1036`	`1036`	`ast::TyKind::Mac(ref m) => {`
`1037`	`1037`	`try!(self.print_mac(m, token::Paren));`