Rollup of 7 pull requests

[Centril]

Successful merges:

• Stabilize std::{rc,sync}::Weak::{weak_count, strong_count} #65778 (Stabilize std::{rc,sync}::Weak::{weak_count, strong_count})
• stabilize Result::map_or #66570 (stabilize Result::map_or)
• Add str::strip_prefix and str::strip_suffix #66735 (Add str::strip_prefix and str::strip_suffix)
• Stabilize the core::panic module #66771 (Stabilize the core::panic module)
• fix type_name_of_val doc comment #67317 (fix type_name_of_val doc comment)
• Fix repetition in matches/mod.rs #67324 (Fix repetition in matches/mod.rs)
• cleanup with push_fake_read #67325 (cleanup with push_fake_read)

Failed merges:

r? @ghost