Add a feature gate for basic function pointer use in const fn

2020-09-24 16:17:03 -07:00
parent 1d216fef3e
commit 1ff143191c
7 changed files with 29 additions and 7 deletions
--- a/compiler/rustc_feature/src/active.rs
+++ b/compiler/rustc_feature/src/active.rs
@@ -587,6 +587,9 @@ declare_features! (
    /// Allows basic arithmetic on floating point types in a `const fn`.
    (active, const_fn_floating_point_arithmetic, "1.48.0", Some(57241), None),

+    /// Allows using and casting function pointers in a `const fn`.
+    (active, const_fn_fn_ptr_basics, "1.48.0", Some(57563), None),
+
    // -------------------------------------------------------------------------
    // feature-group-end: actual feature gates
    // -------------------------------------------------------------------------