Merge pull request #70202 from eeckstein/fix-perf-annotation-test

tests: fix and re-enable the performance-annotations.swift test

Author: eeckstein

test/SILOptimizer/performance-annotations.swift

@@ -1,6 +1,4 @@
-// REQUIRES: rdar119075334
-
-// RUN: %target-swift-frontend -parse-as-library -emit-sil %s -o /dev/null -verify
+// RUN: %target-swift-frontend -parse-as-library -disable-availability-checking -emit-sil %s -o /dev/null -verify
 // REQUIRES: swift_stdlib_no_asserts,optimized_stdlib
 // REQUIRES: swift_in_compiler