Oreo  |  8.0.0_r4
C++程序  |  14行  |  192 B 

/* RUN: %clang_cc1 -fsyntax-only -verify %s
 * expected-no-diagnostics */
# define XRECORD(x, c_name) e##c (x, __LINE__)



int ec(int, int);


 void x() {

XRECORD (XRECORD (1, 1), 1);
    }