From 04fafd69dec85b02338cf303a21df93ad9594fa1 Mon Sep 17 00:00:00 2001
From: Cameron Steffen <cam.steffen94@gmail.com>
Date: Wed, 2 Nov 2022 10:47:00 -0500
Subject: [PATCH] Cfg remove lang items in doctest

---
 library/std/src/panicking.rs           | 4 ++--
 library/std/src/process.rs             | 2 +-
 library/std/src/rt.rs                  | 2 +-
 library/std/src/sys/personality/mod.rs | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs
index 55f4917a93705..66b4ec37c8ec5 100644
--- a/library/std/src/panicking.rs
+++ b/library/std/src/panicking.rs
@@ -588,7 +588,7 @@ pub fn panicking() -> bool {
 }
 
 /// Entry point of panics from the core crate (`panic_impl` lang item).
-#[cfg(not(test))]
+#[cfg(not(any(test, doctest)))]
 #[panic_handler]
 pub fn begin_panic_handler(info: &PanicInfo<'_>) -> ! {
     struct FormatStringPayload<'a> {
@@ -669,7 +669,7 @@ pub fn begin_panic_handler(info: &PanicInfo<'_>) -> ! {
 /// panic!() and assert!(). In particular, this is the only entry point that supports
 /// arbitrary payloads, not just format strings.
 #[unstable(feature = "libstd_sys_internals", reason = "used by the panic! macro", issue = "none")]
-#[cfg_attr(not(test), lang = "begin_panic")]
+#[cfg_attr(not(any(test, doctest)), lang = "begin_panic")]
 // lang item for CTFE panic support
 // never inline unless panic_immediate_abort to avoid code
 // bloat at the call sites as much as possible
diff --git a/library/std/src/process.rs b/library/std/src/process.rs
index 6004ed51bd164..4a7f5d8e0bee6 100644
--- a/library/std/src/process.rs
+++ b/library/std/src/process.rs
@@ -2311,7 +2311,7 @@ pub fn id() -> u32 {
 /// of the `main` function, this trait is likely to be available only on
 /// standard library's runtime for convenience. Other runtimes are not required
 /// to provide similar functionality.
-#[cfg_attr(not(test), lang = "termination")]
+#[cfg_attr(not(any(test, doctest)), lang = "termination")]
 #[stable(feature = "termination_trait_lib", since = "1.61.0")]
 #[rustc_on_unimplemented(on(
     cause = "MainFunctionType",
diff --git a/library/std/src/rt.rs b/library/std/src/rt.rs
index f1eeb75be7c4d..335944845ae0b 100644
--- a/library/std/src/rt.rs
+++ b/library/std/src/rt.rs
@@ -154,7 +154,7 @@ fn lang_start_internal(
     ret_code
 }
 
-#[cfg(not(test))]
+#[cfg(not(any(test, doctest)))]
 #[lang = "start"]
 fn lang_start<T: crate::process::Termination + 'static>(
     main: fn() -> T,
diff --git a/library/std/src/sys/personality/mod.rs b/library/std/src/sys/personality/mod.rs
index 0fff53f18875b..d37b8ce634654 100644
--- a/library/std/src/sys/personality/mod.rs
+++ b/library/std/src/sys/personality/mod.rs
@@ -12,7 +12,7 @@
 
 mod dwarf;
 
-#[cfg(not(test))]
+#[cfg(not(any(test, doctest)))]
 cfg_if::cfg_if! {
     if #[cfg(target_os = "emscripten")] {
         mod emcc;