Rollup of 8 pull requests

[matthiaskrgr]

Successful merges:

• Switch from using //~ERROR annotations with --error-format to error-pattern #119184 (Switch from using //~ERROR annotations with --error-format to error-pattern)
• custom mir: make it clear what the return block is #119325 (custom mir: make it clear what the return block is)
• Use Result::flatten in catch_with_exit_code #119391 (Use Result::flatten in catch_with_exit_code)
• Recover parentheses in range patterns #119397 (Recover parentheses in range patterns)
• bootstrap: Move -Clto= setting from Rustc::run to rustc_cargo #119414 (bootstrap: Move -Clto= setting from Rustc::run to rustc_cargo)
• Uplift some miscellaneous coroutine-specific machinery into check_closure #119417 (Uplift some miscellaneous coroutine-specific machinery into check_closure)
• don't reexport atomic::ordering via rustc_data_structures, use std import #119527 (don't reexport atomic::ordering via rustc_data_structures, use std import)
• Don't synthesize host effect args inside trait object types #119540 (Don't synthesize host effect args inside trait object types)

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