1// RUN: rm -rf %t
2// RUN: %clang_cc1 -x objective-c-header -fmodules -fmodules-cache-path=%t \
3// RUN:            -I%S/Inputs/macro-undef-through-pch -emit-pch \
4// RUN:            %S/Inputs/macro-undef-through-pch/foo.h -o %t.pch
5// RUN: %clang_cc1 -x objective-c -fmodules -fmodules-cache-path=%t \
6// RUN:            -I%S/Inputs/macro-undef-through-pch -emit-pch \
7// RUN:            -include-pch %t.pch %s
8
9// PR19215
10#undef AB
11