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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
commit218caa410aa38c29984be31a5229b9fa717560ee (patch)
treec54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/conditional-compilation/cfg-attr-multi-true.rs
parentReleasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz
rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/conditional-compilation/cfg-attr-multi-true.rs')
-rw-r--r--tests/ui/conditional-compilation/cfg-attr-multi-true.rs21
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/conditional-compilation/cfg-attr-multi-true.rs b/tests/ui/conditional-compilation/cfg-attr-multi-true.rs
new file mode 100644
index 000000000..876d8b079
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+++ b/tests/ui/conditional-compilation/cfg-attr-multi-true.rs
@@ -0,0 +1,21 @@
+// Test that cfg_attr with multiple attributes actually emits both attributes.
+// This is done by emitting two attributes that cause new warnings, and then
+// triggering those warnings.
+
+// build-pass (FIXME(62277): could be check-pass?)
+
+#![warn(unused_must_use)]
+
+#[cfg_attr(all(), deprecated, must_use)]
+struct MustUseDeprecated {}
+
+impl MustUseDeprecated { //~ warning: use of deprecated
+ fn new() -> MustUseDeprecated { //~ warning: use of deprecated
+ MustUseDeprecated {} //~ warning: use of deprecated
+ }
+}
+
+fn main() {
+ MustUseDeprecated::new(); //~ warning: use of deprecated
+ //~| warning: unused `MustUseDeprecated` that must be used
+}