If present, represents the location and associated call stack from which the memory block referenced by the address was previously deallocated.
The previous deallocation makes all subsequent deallocation attempts invalid.
Invalid deallocation site
Represents the location and associated call stack attempting the deallocation.
char* pStr = (char*) malloc(20); free(pStr); free(pStr);
integer, target :: b(100) integer, pointer :: pmiddle pmiddle => b(4) DEALLOCATE( pmiddle )
A double deallocation occurs.
Remove the extraneous deallocation.
An invalid deallocation occurs.
Fix the pointer value passed to the deallocator.