test: Repair CF bridging call test for non x64 targets

[kateinoigakukun]

The test was failing on aarch64 targets because the notail is specified only for x86_64 targets.

• https://ci.swift.org/job/oss-swift-package-amazon-linux-2-aarch64/2868/
• https://ci.swift.org/job/oss-swift-package-ubi-9-aarch64/1319/
• https://ci.swift.org/job/oss-swift-package-ubuntu-20_04-aarch64/2792/

Command Output (stderr):
--
/home/build-user/swift/test/IRGen/cf_objc_retainAutoreleasedReturnValue.swift:20:11: error: CHECK: expected string not found in input
// CHECK: %1 = notail call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr %0)
          ^
<stdin>:19:40: note: scanning from here
 %0 = call ptr @returnsACFBridgedType()
                                       ^
<stdin>:21:2: note: possible intended match here
 %1 = call ptr @llvm.objc.retainAutoreleasedReturnValue(ptr %0)
 ^

Input file: <stdin>
Check file: /home/build-user/swift/test/IRGen/cf_objc_retainAutoreleasedReturnValue.swift

#72011

[kateinoigakukun]

@swift-ci smoke test

[kateinoigakukun]

Hmm, do we have a way to trigger aarch64 CI jobs?

[MaxDesiatov]

@swift-ci test apple silicon

[kateinoigakukun]

@swift-ci test apple silicon

[kateinoigakukun]

@swift-ci smoke test

[al45tair]

Thanks for fixing this :-)