Rollup merge of #61199 - ollie27:rustdoc_cfg_test, r=QuietMisdreavus

Revert "Set test flag when rustdoc is running with --test option"

Reverts https://github.com/rust-lang/rust/pull/59940.

It caused doctests in this repository to no longer be tested including all of the core crate.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/libcore/mem/mod.rs b/src/libcore/mem/mod.rs
index 770d1ca8e75..e110e93a954 100644
--- a/src/libcore/mem/mod.rs
+++ b/src/libcore/mem/mod.rs
@@ -510,6 +510,8 @@ pub fn swap<T>(x: &mut T, y: &mut T) {
 /// A simple example:
 ///
 /// ```
+/// #![feature(mem_take)]
+///
 /// use std::mem;
 ///
 /// let mut v: Vec<i32> = vec![1, 2];
@@ -540,7 +542,8 @@ pub fn swap<T>(x: &mut T, y: &mut T) {
 /// `self`, allowing it to be returned:
 ///
 /// ```
-/// # #![allow(dead_code)]
+/// #![feature(mem_take)]
+///
 /// use std::mem;
 ///
 /// # struct Buffer<T> { buf: Vec<T> }