Stabilize `inclusive_range_syntax` language feature.

Stabilize the syntax `a..=b` and `..=b`.

2 files changed, 2 insertions, 12 deletions

diff --git a/src/libsyntax/diagnostic_list.rs b/src/libsyntax/diagnostic_list.rs
index 549ef88afcc..1f87c1b94c5 100644
--- a/src/libsyntax/diagnostic_list.rs
+++ b/src/libsyntax/diagnostic_list.rs
@@ -218,8 +218,6 @@ An inclusive range was used with no end.
 Erroneous code example:
 
 ```compile_fail,E0586
-#![feature(inclusive_range_syntax)]
-
 fn main() {
     let tmp = vec![0, 1, 2, 3, 4, 4, 3, 3, 2, 1];
     let x = &tmp[1..=]; // error: inclusive range was used with no end
@@ -239,8 +237,6 @@ fn main() {
 Or put an end to your inclusive range:
 
 ```
-#![feature(inclusive_range_syntax)]
-
 fn main() {
     let tmp = vec![0, 1, 2, 3, 4, 4, 3, 3, 2, 1];
     let x = &tmp[1..=3]; // ok!
diff --git a/src/libsyntax/feature_gate.rs b/src/libsyntax/feature_gate.rs
index 91364fe6ed4..a415117b599 100644
--- a/src/libsyntax/feature_gate.rs
+++ b/src/libsyntax/feature_gate.rs
@@ -268,9 +268,6 @@ declare_features! (
     // rustc internal
     (active, abi_vectorcall, "1.7.0", None, None),
 
-    // a..=b and ..=b
-    (active, inclusive_range_syntax, "1.7.0", Some(28237), None),
-
     // X..Y patterns
     (active, exclusive_range_pattern, "1.11.0", Some(37854), None),
 
@@ -554,6 +551,8 @@ declare_features! (
     (accepted, match_beginning_vert, "1.25.0", Some(44101), None),
     // Nested groups in `use` (RFC 2128)
     (accepted, use_nested_groups, "1.25.0", Some(44494), None),
+    // a..=b and ..=b
+    (accepted, inclusive_range_syntax, "1.26.0", Some(28237), None),
 );
 
 // If you change this, please modify src/doc/unstable-book as well. You must
@@ -1592,11 +1591,6 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> {
                 gate_feature_post!(&self, type_ascription, e.span,
                                   "type ascription is experimental");
             }
-            ast::ExprKind::Range(_, _, ast::RangeLimits::Closed) => {
-                gate_feature_post!(&self, inclusive_range_syntax,
-                                  e.span,
-                                  "inclusive range syntax is experimental");
-            }
             ast::ExprKind::InPlace(..) => {
                 gate_feature_post!(&self, placement_in_syntax, e.span, EXPLAIN_PLACEMENT_IN);
             }