The preprocessor leaks macro names on failed expansion.
Imported from https://youtrack.roxen.com/issue/PIKE-28
Reported by @grubba
Blocking PIKE-20
The name of the macro being expanded could leak if there was an error in its list of parameters.
Imported from https://youtrack.roxen.com/issue/PIKE-28
Reported by @grubba
Blocking PIKE-20
The name of the macro being expanded could leak if there was an error in its list of parameters.