Greg Parker fe8618a3d2 Scrap the custom allocator until we have time to fix it. ...

The allocator's crimes include:
* It uses OS SPI that must not be used by non-OS apps.
* It does not play well with memory debugging tools like Instruments.
* It does not return memory to the OS in response to memory pressure.
* It is less tested than we would like because many configurations 
  inadvertently turn it off (such as running from Xcode).
* Its per-thread magazine implementation does not actually work.
* Its "try alloc" flag is incompletely implemented and never used.
* Its "zero fill" flag is unimplemented and inconsistently used.



Swift SVN r20757

2014-07-30 14:11:40 +00:00

1.1 KiB

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