syntax: move `feature_gate.rs`.

diff --git a/src/libsyntax/feature_gate.rs b/src/libsyntax/feature_gate.rs
deleted file mode 100644 (file)
index 97793bc..0000000
--- a/src/libsyntax/feature_gate.rs
+++ /dev/null
@@ -1,31 +0,0 @@
-//! # Feature gating
-//!
-//! This module implements the gating necessary for preventing certain compiler
-//! features from being used by default. This module will crawl a pre-expanded
-//! AST to ensure that there are no features which are used that are not
-//! enabled.
-//!
-//! Features are enabled in programs via the crate-level attributes of
-//! `#![feature(...)]` with a comma-separated list of features.
-//!
-//! For the purpose of future feature-tracking, once code for detection of feature
-//! gate usage is added, *do not remove it again* even once the feature
-//! becomes stable.
-
-mod accepted;
-mod removed;
-mod active;
-mod builtin_attrs;
-mod check;
-
-pub use active::{Features, INCOMPLETE_FEATURES};
-pub use builtin_attrs::{
-    AttributeGate, AttributeType, GatedCfg,
-    BuiltinAttribute, BUILTIN_ATTRIBUTES, BUILTIN_ATTRIBUTE_MAP,
-    deprecated_attributes, is_builtin_attr,  is_builtin_attr_name,
-};
-pub use check::{
-    check_attribute, check_crate, get_features, feature_err, emit_feature_err,
-    Stability, GateIssue, UnstableFeatures,
-    EXPLAIN_STMT_ATTR_SYNTAX, EXPLAIN_UNSIZED_TUPLE_COERCION,
-};

diff --git a/src/libsyntax/feature_gate/mod.rs b/src/libsyntax/feature_gate/mod.rs
new file mode 100644 (file)
index 0000000..97793bc
--- /dev/null
+++ b/src/libsyntax/feature_gate/mod.rs
@@ -0,0 +1,31 @@
+//! # Feature gating
+//!
+//! This module implements the gating necessary for preventing certain compiler
+//! features from being used by default. This module will crawl a pre-expanded
+//! AST to ensure that there are no features which are used that are not
+//! enabled.
+//!
+//! Features are enabled in programs via the crate-level attributes of
+//! `#![feature(...)]` with a comma-separated list of features.
+//!
+//! For the purpose of future feature-tracking, once code for detection of feature
+//! gate usage is added, *do not remove it again* even once the feature
+//! becomes stable.
+
+mod accepted;
+mod removed;
+mod active;
+mod builtin_attrs;
+mod check;
+
+pub use active::{Features, INCOMPLETE_FEATURES};
+pub use builtin_attrs::{
+    AttributeGate, AttributeType, GatedCfg,
+    BuiltinAttribute, BUILTIN_ATTRIBUTES, BUILTIN_ATTRIBUTE_MAP,
+    deprecated_attributes, is_builtin_attr,  is_builtin_attr_name,
+};
+pub use check::{
+    check_attribute, check_crate, get_features, feature_err, emit_feature_err,
+    Stability, GateIssue, UnstableFeatures,
+    EXPLAIN_STMT_ATTR_SYNTAX, EXPLAIN_UNSIZED_TUPLE_COERCION,
+};