update message

5 files changed, 10 insertions, 7 deletions

diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
index 859e2fb7162..1c1b597dcb5 100644
--- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
+++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
@@ -1885,21 +1885,21 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> {
                 err.note(
                     "the `Copy` trait is required because the repeated element will be copied",
                 );
-                if is_const_fn && !self.tcx.sess.is_nightly_build() {
+
+                if is_const_fn {
                     err.help(
                         "consider creating a new `const` item and initializing with the result \
                         of the function call to be used in the repeat position, like \
                         `const VAL: Type = const_fn();` and `let x = [VAL; 42];`",
                     );
-                } else if self.tcx.sess.is_nightly_build() && is_const_fn {
+                }
+
+                if self.tcx.sess.is_nightly_build() && is_const_fn {
                     err.help(
                         "create an inline `const` block, see PR \
                         #2920 <https://github.com/rust-lang/rfcs/pull/2920> \
                         for more information",
                     );
-                } else {
-                    // Don't suggest anything to the user as suggesting the user to make the function `const`
-                    // could lead them down the wrong path.
                 }
             }
             ObligationCauseCode::VariableType(hir_id) => {
diff --git a/src/README.md b/src/README.md
index ef0dec1c45b..9752bc3f66d 100644
--- a/src/README.md
+++ b/src/README.md
@@ -1,4 +1,5 @@
 This directory contains the source code of the rust project, including:
+
 - The test suite
 - The bootstrapping build system
 - Various submodules for tools, like rustdoc, rls, etc.
diff --git a/src/test/ui/consts/const-blocks/fn-call-in-non-const.stderr b/src/test/ui/consts/const-blocks/fn-call-in-non-const.stderr
index 661f279e6be..303de078013 100644
--- a/src/test/ui/consts/const-blocks/fn-call-in-non-const.stderr
+++ b/src/test/ui/consts/const-blocks/fn-call-in-non-const.stderr
@@ -7,6 +7,7 @@ LL |     let _: [Option<Bar>; 2] = [no_copy(); 2];
    = help: the following implementations were found:
              <Option<T> as Copy>
    = note: the `Copy` trait is required because the repeated element will be copied
+   = help: consider creating a new `const` item and initializing with the result of the function call to be used in the repeat position, like `const VAL: Type = const_fn();` and `let x = [VAL; 42];`
    = help: create an inline `const` block, see PR #2920 <https://github.com/rust-lang/rfcs/pull/2920> for more information
 
 error: aborting due to previous error
diff --git a/src/test/ui/consts/const-fn-in-vec.rs b/src/test/ui/consts/const-fn-in-vec.rs
index edf29015200..a40290eca09 100644
--- a/src/test/ui/consts/const-fn-in-vec.rs
+++ b/src/test/ui/consts/const-fn-in-vec.rs
@@ -1,6 +1,6 @@
 fn main() {
-    // should hint to create an inline const block
-    // as all tests are on "nightly"
+    // should hint to create an inline `const` block
+    // or to create a new `const` item
     let strings: [String; 5] = [String::new(); 5];
     //~^ ERROR the trait bound `String: Copy` is not satisfied
     println!("{:?}", strings);
diff --git a/src/test/ui/consts/const-fn-in-vec.stderr b/src/test/ui/consts/const-fn-in-vec.stderr
index c477605842d..f9f184dfc06 100644
--- a/src/test/ui/consts/const-fn-in-vec.stderr
+++ b/src/test/ui/consts/const-fn-in-vec.stderr
@@ -5,6 +5,7 @@ LL |     let strings: [String; 5] = [String::new(); 5];
    |                                ^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `String`
    |
    = note: the `Copy` trait is required because the repeated element will be copied
+   = help: consider creating a new `const` item and initializing with the result of the function call to be used in the repeat position, like `const VAL: Type = const_fn();` and `let x = [VAL; 42];`
    = help: create an inline `const` block, see PR #2920 <https://github.com/rust-lang/rfcs/pull/2920> for more information
 
 error: aborting due to previous error