Backport official GLib iterator safety fix for Linux desktop

apps/desktop/src-tauri/vendor/glib/benches/gstring.rs

@@ -0,0 +1,46 @@
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use glib::IntoGStr;
+
+pub fn str_into_gstr(c: &mut Criterion) {
+    c.bench_function("str as IntoGStr", |b| {
+        b.iter(|| {
+            "abcdefg".run_with_gstr(|g| {
+                black_box(g);
+            })
+        })
+    });
+}
+
+pub fn string_into_gstr(c: &mut Criterion) {
+    c.bench_function("String as IntoGStr", |b| {
+        b.iter(|| {
+            let mut s = String::from("abcdefg");
+            s.shrink_to_fit();
+            assert_eq!(s.capacity(), s.len());
+            s.run_with_gstr(|g| {
+                black_box(g);
+            })
+        })
+    });
+}
+
+pub fn string_with_capacity_into_gstr(c: &mut Criterion) {
+    c.bench_function("String::with_capacity as IntoGStr", |b| {
+        b.iter(|| {
+            let mut s = String::with_capacity(100);
+            s.push_str("abcdefg");
+            assert!(s.capacity() > s.len());
+            s.run_with_gstr(|g| {
+                black_box(g);
+            })
+        })
+    });
+}
+
+criterion_group!(
+    benches,
+    str_into_gstr,
+    string_into_gstr,
+    string_with_capacity_into_gstr
+);
+criterion_main!(benches);