[stdlib] Do not introduce any new ABI symbols for _get*RetainCount

[lorentey]

There is no point to adding symbols for these, as they are only expected to be called interactively from lldb, which should handle @_aeic just fine.

rdar://120389342

[Catfish-Man]

Looks sensible to me.

[lorentey]

@swift-ci test

[Azoy]

LGTM, but you will probably need to update the ABI checker 😉

[lorentey]

D'oh, I definitely need to update it.

[lorentey]

@swift-ci test

[lorentey]

--- /Users/ec2-user/jenkins/workspace/swift-PR-macos/branch-main/build/buildbot_incremental/swift-macosx-x86_64/test-macosx-x86_64/api-digester/Output/stability-stdlib-abi-with-asserts.test.tmp.tmp/stability-stdlib-abi.swift.expected.sorted	2024-02-17 02:31:51
+++ /Users/ec2-user/jenkins/workspace/swift-PR-macos/branch-main/build/buildbot_incremental/swift-macosx-x86_64/test-macosx-x86_64/api-digester/Output/stability-stdlib-abi-with-asserts.test.tmp.tmp/changes.txt.tmp	2024-02-17 02:31:51
@@ -63,6 +63,9 @@
 Func _SequenceBox._map(_:) is now without @rethrows
 Func _collectReferencesInsideObject(_:) is a new API without @available attribute
 Func _diagnoseUnavailableCodeReached() is a new API without @available attribute
+Func _getRetainCount(_:) has been removed
+Func _getUnownedRetainCount(_:) has been removed
+Func _getWeakRetainCount(_:) has been removed
 Func _loadDestroyTLSCounter() is a new API without @available attribute
 Func _measureRuntimeFunctionCountersDiffs(objects:_:) is a new API without @available attribute
 Func _openExistential(_:do:) has been renamed to Func __abi_openExistential(_:do:)

Oh this one has it too.

[lorentey]

@swift-ci test

[lorentey]

/home/build-user/build/buildbot_linux/unified-swiftpm-build-linux-x86_64/x86_64-unknown-linux-gnu/release/Modules/SwiftDocC.swiftmodule:1:1: error: fatal error encountered while reading from module 'SwiftDocC'; please submit a bug report (https://swift.org/contributing/#reporting-bugs)

...

[lorentey]

@swift-ci test linux platform

[lorentey]

@swift-ci test linux platform

[lorentey]

@swift-ci test

[lorentey]

Failed Tests (1):
  Swift(macosx-x86_64) :: abi/macOS/x86_64/concurrency-asserts.swift

Oh this is unrelated & should be resolved now.

[lorentey]

@swift-ci test macOS platform