clang/test/CodeGen/offsetof.c

   1 // RUN: %clang_cc1 %s -emit-llvm -o %t
   2
   3 // PR2910
   4 struct sockaddr_un {
   5  unsigned char sun_len;
   6  char sun_path[104];
   7 };
   8
   9 int test(int len) {
  10   return __builtin_offsetof(struct sockaddr_un, sun_path[len+1]);
  11 }
  12
  13 // Ensure we can form the offset to a structure defined in the first argument
  14 // without crashing or asserting on an invalid declaration (because the
  15 // declaration is actually valid).
  16 void c() { __builtin_offsetof(struct {int b;}, b); }