don't bump in check_mistyped_turbofish_with_multiple_type_params

Author: b-naber

compiler/rustc_parse/src/parser/diagnostics.rs

@@ -666,21 +666,23 @@ impl<'a> Parser<'a> {
                     );
                     match x {
                         Ok((_, _, false)) => {
-                            self.bump(); // `>`
-                            match self.parse_expr() {
-                                Ok(_) => {
-                                    e.span_suggestion_verbose(
-                                        binop.span.shrink_to_lo(),
-                                        TURBOFISH_SUGGESTION_STR,
-                                        "::".to_string(),
-                                        Applicability::MaybeIncorrect,
-                                    );
-                                    e.emit();
-                                    *expr = self.mk_expr_err(expr.span.to(self.prev_token.span));
-                                    return Ok(());
-                                }
-                                Err(mut err) => {
-                                    err.cancel();
+                            if self.eat(&token::Gt) {
+                                match self.parse_expr() {
+                                    Ok(_) => {
+                                        e.span_suggestion_verbose(
+                                            binop.span.shrink_to_lo(),
+                                            TURBOFISH_SUGGESTION_STR,
+                                            "::".to_string(),
+                                            Applicability::MaybeIncorrect,
+                                        );
+                                        e.emit();
+                                        *expr =
+                                            self.mk_expr_err(expr.span.to(self.prev_token.span));
+                                        return Ok(());
+                                    }
+                                    Err(mut err) => {
+                                        err.cancel();
+                                    }
                                 }
                             }
                         }