Merge pull request swiftlang#32254 from lorentey/disable-llvmIRHash-5.3

[czar][test] Disable multifile/batch-mode-llvmIRHash-consistency

Author: lorentey

test/multifile/batch-mode-llvmIRHash-consistency.swift

@@ -1,6 +1,9 @@
 // Ensure that the LLVMIR hash of the 2nd compilation in batch mode
 // is consistent no matter if the first one generates code or not.
 
+// This test fails in some configurations.
+// REQUIRES: rdar_62338337
+
 // RUN: %empty-directory(%t)
 // RUN: echo 'public enum E: Error {}' >%t/main.swift
 // RUN: echo >%t/other.swift