diff options
Diffstat (limited to 'src/libsyntax')
| -rw-r--r-- | src/libsyntax/util/parser_testing.rs | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/libsyntax/util/parser_testing.rs b/src/libsyntax/util/parser_testing.rs index d016eb39239..929f2a6abd6 100644 --- a/src/libsyntax/util/parser_testing.rs +++ b/src/libsyntax/util/parser_testing.rs @@ -73,7 +73,11 @@ pub fn string_to_stmt(source_str : String) -> P<ast::Stmt> { /// Parse a string, return a pat. Uses "irrefutable"... which doesn't /// (currently) affect parsing. pub fn string_to_pat(source_str: String) -> P<ast::Pat> { - string_to_parser(&new_parse_sess(), source_str).parse_pat() + // Binding `sess` and `parser` works around dropck-injected + // region-inference issues; see #25212, #22323, #22321. + let sess = new_parse_sess(); + let mut parser = string_to_parser(&sess, source_str); + parser.parse_pat() } /// Convert a vector of strings to a vector of ast::Ident's |