Add inline const to INCOMPLETE_FEATURES

compiler/rustc_feature/src/active.rs

@@ -621,6 +621,7 @@ pub const INCOMPLETE_FEATURES: &[Symbol] = &[
     sym::const_trait_bound_opt_out,
     sym::lazy_normalization_consts,
     sym::specialization,
+    sym::inline_const,
 ];
 
 /// Some features are not allowed to be used together at the same time, if

src/test/ui/inline-const/const-expr-array-init.rs

@@ -1,5 +1,6 @@
 // build-pass
 
+#![allow(incomplete_features)]
 #![feature(inline_const)]
 
 use std::cell::Cell;

src/test/ui/inline-const/const-expr-basic.rs

@@ -1,5 +1,6 @@
 // run-pass
 
+#![allow(incomplete_features)]
 #![feature(inline_const)]
 fn foo() -> i32 {
     const {

src/test/ui/inline-const/const-expr-reference.rs

@@ -1,5 +1,6 @@
 // run-pass
 
+#![allow(incomplete_features)]
 #![feature(inline_const)]
 
 const fn bar() -> i32 {

src/test/ui/inline-const/const-match-pat.rs

@@ -1,5 +1,6 @@
 // run-pass
 
+#![allow(incomplete_features)]
 #![feature(inline_const)]
 const MMIO_BIT1: u8 = 4;
 const MMIO_BIT2: u8 = 5;