Differences From Artifact [4c0a8350b3]:

• File src/OFThread.h — part of check-in [e7f4f80e23] at 2020-01-24 03:03:32 on branch trunk — runtime: Correctly handle AR pool push during pop

  Getting a pointer and increasing it until we reach the top pointer does
  not work: Releasing an object can temporarily create new autorelease
  pools, which can trigger resizing of "objects" using realloc, which can
  move it to a different address, which will then lead to continuing to
  iterate on a now invalid pointer.

  This is now solved by using an index into "objects" instead. Since we're
  now indexing for the pop, let's use indexes everywhere, as they're more
  readable anyway.

  While debugging this, I noticed that the last pool is popped quite
  frequently, only for a new pool to be pushed immediately again. This
  resulted in a free followed by a malloc every time. Instead, keep the
  pool, but let OFThread explicitly say when to free everything. (user: js, size: 7892) [annotate] [blame] [check-ins using] [more...]

To Artifact [e49332cd5c]:

• File src/OFThread.h — part of check-in [ef614a225d] at 2020-09-26 21:58:39 on branch trunk — Don't require __COUNTER__ for OF_RESERVE_IVARS

  __COUNTER__ does not exist in GCC 4.2, and Apple GCC 4.2 is still the
  newest compiler available for macOS 10.5. (user: js, size: 7902) [annotate] [blame] [check-ins using]

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	bool _supportsSockets;
	OFRunLoop *_Nullable _runLoop;
	OFMutableDictionary *_threadDictionary;
	OFString *_Nullable _name;
# ifdef OF_HAVE_SOCKETS
	OFDNSResolver *_DNSResolver;
# endif
	OF_RESERVE_IVARS(4)
}
#endif

#ifdef OF_HAVE_CLASS_PROPERTIES
# ifdef OF_HAVE_THREADS
@property (class, readonly, nullable, nonatomic) OFThread *currentThread;
@property (class, readonly, nullable, nonatomic) OFThread *mainThread;

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	bool _supportsSockets;
	OFRunLoop *_Nullable _runLoop;
	OFMutableDictionary *_threadDictionary;
	OFString *_Nullable _name;
# ifdef OF_HAVE_SOCKETS
	OFDNSResolver *_DNSResolver;
# endif
	OF_RESERVE_IVARS(OFThread, 4)
}
#endif

#ifdef OF_HAVE_CLASS_PROPERTIES
# ifdef OF_HAVE_THREADS
@property (class, readonly, nullable, nonatomic) OFThread *currentThread;
@property (class, readonly, nullable, nonatomic) OFThread *mainThread;