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      1 // RUN: %clang_cc1 -D FOOBAR="\"\"" %s -emit-pch -o %t.pch
      2 // RUN: %clang_cc1 -D FOOBAR="\"\"" %s -include-pch %t.pch
      3 
      4 // rdar://11418366
      5 
      6 #ifndef HEADER
      7 #define HEADER
      8 
      9 extern int printf(const char *restrict, ...);
     10 #define LOG printf(FOOBAR "%f", __LINE__)
     11 
     12 #else
     13 
     14 void foo() {
     15   LOG;
     16 }
     17 
     18 #endif
     19