Merge pull request swiftlang#23057 from sarveshtamba/master

Changes for test failures on PowerPC64LE when running as non-root user

Author: compnerd

test/Interpreter/generic_casts.swift

@@ -3,7 +3,6 @@
 // RUN: %target-codesign %t/a.out.optimized
 // RUN: %target-run %t/a.out.optimized | %FileCheck %s
 // REQUIRES: executable_test
-// XFAIL: CPU=powerpc64le
 
 // FIXME: rdar://problem/19648117 Needs splitting objc parts out