gcc/testsuite/gcc.dg/cpp/paste12.c


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/*
  { dg-options "-ftrack-macro-expansion=0" }
  { dg-do preprocess }
*/

/* Test correct diagnostics when pasting in #include.
   Source: PR preprocessor/6780.  */

#define inc2(a,b) <##a.b>
#define INC(X) inc2(X,h)
#include INC(stdio) /* { dg-error "pasting \"<\" and \"stdio\" does not" } */