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Mike Ash
3fb5d9c0a6
Mask the non-native bridgeobject bits rather than all spare bits. This prevents us from trying to retain pointers that aren't valid native object pointers.
28 lines
875 B
Swift
28 lines
875 B
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-run-simple-swift(-import-objc-header %S/Inputs/refcount_hooks.h)
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// REQUIRES: executable_test
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// REQUIRES: OS=macosx || OS=linux-gnu
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// UNSUPPORTED: use_os_stdlib
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// UNSUPPORTED: back_deployment_runtime
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// Override _swift_allocObject with a no-op wrapper that forwards to the
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// original implementation. This ensures the runtime goes through the hooks
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// path and exercises the hooks machinery without crashing.
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var originalAllocObject: AllocObjectFn = _swift_allocObject
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func hookedAllocObject(
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_ metadata: UnsafeRawPointer?,
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_ requiredSize: Int,
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_ requiredAlignmentMask: Int
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) -> UnsafeMutableRawPointer? {
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return originalAllocObject(metadata, requiredSize, requiredAlignmentMask)
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}
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_swift_allocObject = hookedAllocObject
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// A single print does plenty of refcounting to exercise the hooks.
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print("Hello, world.")
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