Auto merge of #52024 - oli-obk:existential_parse, r=nikomatsakis

Implement existential types

(not for associated types yet)

r? @nikomatsakis

cc @Centril @varkor @alexreg

1 files changed, 16 insertions, 0 deletions

diff --git a/src/test/ui/tuple-float-index.fixed b/src/test/ui/tuple-float-index.fixed
new file mode 100644
index 00000000000..55bc2f77dad
--- /dev/null
+++ b/src/test/ui/tuple-float-index.fixed
@@ -0,0 +1,16 @@
+// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// run-rustfix
+// compile-flags: -Z parse-only
+
+fn main () {
+    ((1, (2, 3)).1).1; //~ ERROR unexpected token: `1.1`
+}