std: Fix formatting flags for chars

This recently regressed in #24689, and this updates the `Display` implementation
to take formatting flags into account.

Closes #26625

1 files changed, 2 insertions, 0 deletions

diff --git a/src/libcoretest/fmt/mod.rs b/src/libcoretest/fmt/mod.rs
index cdb9c38f027..42872589bb0 100644
--- a/src/libcoretest/fmt/mod.rs
+++ b/src/libcoretest/fmt/mod.rs
@@ -16,4 +16,6 @@ fn test_format_flags() {
     // No residual flags left by pointer formatting
     let p = "".as_ptr();
     assert_eq!(format!("{:p} {:x}", p, 16), format!("{:p} 10", p));
+
+    assert_eq!(format!("{: >3}", 'a'), "  a");
 }