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      1 // RUN: %clang_cc1 -E %s -fno-caret-diagnostics 2>&1 >/dev/null | grep 'file successfully included' | count 3
      2 
      3 // XX expands to nothing.
      4 #define XX
      5 
      6 // expand macros to get to file to include
      7 #define FILE "file_to_include.h"
      8 #include XX FILE
      9 
     10 #include FILE
     11 
     12 // normal include
     13 #include "file_to_include.h"
     14 
     15