Add more assertions in palloc0() and palloc_extended()
palloc() includes an assertion checking that an alloc() implementation
never returns NULL for all MemoryContextMethods.
This commit adds a similar assertion in palloc0(). In palloc_extend(),
a different assertion is added, checking that MCXT_ALLOC_NO_OOM is set
when an alloc() routine returns NULL. These additions can be useful to
catch errors when implementing a new set of MemoryContextMethods
routines.
Author: Andreas Karlsson <andreas@proxel.se>
Discussion: https://postgr.es/m/
507e8eba-2035-4a12-a777-
98199a66beb8@proxel.se