[fpc-devel] FPC memory manager and OS/2 - heap sub-allocation

[runewalsh]

 > Do I assume correctly that the memory manager wouldn't try allocating 
a smaller block in such a case?

No, if allocation for a good-looking size fails, it retries with the 
minimal one: 
https://gitlab.com/freepascal.org/fpc/source/-/blob/9936961be6474a674b061b79f8893a5b1e50af1e/rtl/inc/heap.inc#L1210-1215 
(which shouldn’t matter much as you’re going to get an OOM soon anyway).