From a547d19af794a4e35007f0a393f229bc2e098af9 Mon Sep 17 00:00:00 2001
From: Greg Morenz <greg-morenz@droid.cafe>
Date: Mon, 1 Jul 2024 19:08:32 -0400
Subject: [PATCH] Add test verifying behavior in #10744

---
 tests/testsuite/rustflags.rs | 44 ++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/tests/testsuite/rustflags.rs b/tests/testsuite/rustflags.rs
index 507bca7c8e7..bd7bf6ef8d1 100644
--- a/tests/testsuite/rustflags.rs
+++ b/tests/testsuite/rustflags.rs
@@ -1587,3 +1587,47 @@ fn host_config_rustflags_with_target() {
         .arg("host.rustflags=[\"--cfg=foo\"]")
         .run();
 }
+
+#[cargo_test]
+fn target_applies_to_host_rustflags_works() {
+    // Ensures that rustflags are passed to the target when
+    // target_applies_to_host=false
+    let p = project()
+        .file(
+            "src/lib.rs",
+            r#"#[cfg(feature = "flag")] compile_error!("flag passed");"#,
+        )
+        .build();
+
+    // Use RUSTFLAGS to pass an argument that would generate an error
+    // but it is ignored.
+    p.cargo("check")
+        .masquerade_as_nightly_cargo(&["target-applies-to-host"])
+        .arg("-Ztarget-applies-to-host")
+        .env("CARGO_TARGET_APPLIES_TO_HOST", "false")
+        .env("RUSTFLAGS", r#"--cfg feature="flag""#)
+        .with_status(0)
+        .run();
+}
+
+#[cargo_test]
+fn target_applies_to_host_rustdocflags_works() {
+    // Ensures that rustflags are passed to the target when
+    // target_applies_to_host=false
+    let p = project()
+        .file(
+            "src/lib.rs",
+            r#"#[cfg(feature = "flag")] compile_error!("flag passed");"#,
+        )
+        .build();
+
+    // Use RUSTFLAGS to pass an argument that would generate an error
+    // but it is ignored.
+    p.cargo("doc")
+        .masquerade_as_nightly_cargo(&["target-applies-to-host"])
+        .arg("-Ztarget-applies-to-host")
+        .env("CARGO_TARGET_APPLIES_TO_HOST", "false")
+        .env("RUSTDOCFLAGS", r#"--cfg feature="flag""#)
+        .with_status(0)
+        .run();
+}