[New Check]: detect calling of phase functions

[arthurzam]

Is there an existing such new check request for this?

• I have searched the existing issues

Explain

Phase functions are special, not really functions in bash meaning. We can't assume we can call them. More history and story at bug 596616.

Examples

No response

Output message

ine {lineno}: calling phase function {func_name!r} is invalid

Documentation

No response

Result level

error