20010124-1.c

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· C语言 代码 · 共 10 行

/* Origin: testcase from Joseph Myers <[e-mail]>, problem pointed
   out in a post to comp.std.c
   <[e-mail]>
   by Dibyendu Majumdar <[e-mail]>.
   Compound literals should be parsed as postfix expressions, rather than
   as cast expressions.  In particular, they are valid operands of sizeof.  */

struct s { int a; int b; };
char x[((sizeof (struct s){ 1, 2 }) == sizeof (struct s)) ? 1 : -1];