ext1.c

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· C语言 代码 · 共 20 行

// { dg-do run  }
// { dg-options "" }
// Copyright (C) 1999 Free Software Foundation

// by Alexandre Oliva <[e-mail]>
// simplified from bug report by Michael Rosenbruch <[e-mail]>


extern "C" void abort();

int main () {
  char x[1];
  char *y = x ? /* implicit x */ : 0;
  /* For some reason, the array x is copied twice, and y points to the
     second copy (the first is never used).  If x is explicit, no copy
     is created, and the program succeeds.  */
  if (x != y) 
    abort();
}