Don't ICE if the linker prints something non-UTF-8
Don't ICE if the linker prints something non-UTF-8

The escaped form isn't pretty, but this should be a very rare error.
Having a general binary-escaping string creation function might be a
good idea, though.

Closes #29122

aidancully/rust,GBGamer/rust,graydon/rust,aidancully/rust,GBGamer/rust,GBGamer/rust,GBGamer/rust,aidancully/rust,aidancully/rust,graydon/rust,GBGamer/rust,GBGamer/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,GBGamer/rust,GBGamer/rust