Fix getrandom fallback test on platforms with panic=abort - #158613

Fix getrandom fallback test on platforms with panic=abort#158613

rust-bors[bot] merged 2 commits into

rust-lang:mainrust-lang/rust:mainfrom

fs-rachel:fix-getrandom-fallback-testfs-rachel/rust:fix-getrandom-fallback-testCopy head branch name to clipboard