Merge pull request #6628 from Michael137/bugfix/preferred_name-test-fix-to-5.9

[cherry-pick][swift/release/5.9] [clang][test] Add requirements to gmoules-prefered-name-* tests

Author: Michael137

clang/test/Modules/gmodules-preferred-name-alias.cpp

@@ -1,3 +1,6 @@
+// UNSUPPORTED: target={{.*}}-zos{{.*}}, target={{.*}}-aix{{.*}}
+
+// REQUIRES: asserts
 // RUN: rm -rf %t
 // RUN: %clang_cc1 -std=c++11 -dwarf-ext-refs -fmodule-format=obj \
 // RUN:     -fmodule-map-file=%S/Inputs/gmodules-preferred-name-alias.modulemap \

clang/test/Modules/gmodules-preferred-name-typedef.cpp

@@ -1,3 +1,6 @@
+// UNSUPPORTED: target={{.*}}-zos{{.*}}, target={{.*}}-aix{{.*}}
+
+// REQUIRES: asserts
 // RUN: rm -rf %t
 // RUN: %clang_cc1 -std=c++11 -dwarf-ext-refs -fmodule-format=obj \
 // RUN:     -fmodule-map-file=%S/Inputs/gmodules-preferred-name-typedef.modulemap \