Auto merge of #37278 - matklad:lone-lifetime, r=jseyfried

Fix syntax error in the compiler

Currently `rustc` accepts the following code: `fn f<'a>() where 'a {}`. This should be a syntax error, shouldn't it?

Not sure if my changes actually compile, waiting for the LLVM to build.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/test/parse-fail/where-clauses-no-bounds-or-predicates.rs b/src/test/parse-fail/where-clauses-no-bounds-or-predicates.rs
index 45165b76c4a..78d97454087 100644
--- a/src/test/parse-fail/where-clauses-no-bounds-or-predicates.rs
+++ b/src/test/parse-fail/where-clauses-no-bounds-or-predicates.rs
@@ -1,4 +1,4 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -20,5 +20,8 @@ fn equal2<T>(_: &T, _: &T) -> bool where T: {
     true
 }
 
+fn foo<'a>() where 'a {}
+//~^ ERROR expected `:`, found `{`
+
 fn main() {
 }