/* RUN: clang-cc -E %s | grep 'a 3' && * RUN: clang-cc -E %s | grep 'b 16' && * RUN: clang-cc -E -P %s | grep 'a 3' && * RUN: clang-cc -E -P %s | grep 'b 16' && * RUN: clang-cc -E %s | not grep '# 0 ' * PR1848 * PR3437 */ #define t(x) x t(a 3) t(b __LINE__)