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      1 // RUN: %clang_cc1 -fms-extensions -E %s | FileCheck %s
      2 
      3 // Test that we properly expand the C99 _Pragma and Microsoft __pragma
      4 // into #pragma directives, with newlines where needed. <rdar://problem/8412013>
      5 
      6 // CHECK: #line
      7 // CHECK: #pragma warning(push)
      8 // CHECK: extern "C" {
      9 // CHECK: #line
     10 // CHECK: #pragma warning(push)
     11 // CHECK:  int foo() { return 0; } }
     12 // CHECK: #line
     13 // CHECK: #pragma warning(pop)
     14 #define A(X) extern "C" { __pragma(warning(push)) \
     15   int X() { return 0; } \
     16 }
     17 #define B(X) A(X)
     18 #pragma warning(push)
     19 B(foo)
     20 #pragma warning(pop)
     21