1/* RUN: %clang_cc1 -E %s -x c++ | FileCheck -check-prefix CPP %s
2   RUN: %clang_cc1 -E %s -x c | FileCheck -check-prefix C %s
3   RUN: %clang_cc1 -E %s -x c++ -verify -Wundef
4*/
5// expected-no-diagnostics
6
7#if true
8// CPP: test block_1
9// C-NOT: test block_1
10test block_1
11#endif
12
13#if false
14// CPP-NOT: test block_2
15// C-NOT: test block_2
16test block_2
17#endif
18
19