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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/regions/regions-ret-borrowed-1.rs
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/regions/regions-ret-borrowed-1.rs')
-rw-r--r--tests/ui/regions/regions-ret-borrowed-1.rs17
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/regions/regions-ret-borrowed-1.rs b/tests/ui/regions/regions-ret-borrowed-1.rs
new file mode 100644
index 000000000..54630caff
--- /dev/null
+++ b/tests/ui/regions/regions-ret-borrowed-1.rs
@@ -0,0 +1,17 @@
+// Similar to regions-ret-borrowed.rs, but using a named lifetime. At
+// some point regions-ret-borrowed reported an error but this file did
+// not, due to special hardcoding around the anonymous region.
+
+fn with<R, F>(f: F) -> R where F: for<'a> FnOnce(&'a isize) -> R {
+ f(&3)
+}
+
+fn return_it<'a>() -> &'a isize {
+ with(|o| o)
+ //~^ ERROR lifetime may not live long enough
+}
+
+fn main() {
+ let x = return_it();
+ println!("foo={}", *x);
+}