fold-const.c (merge_ranges): If range_successor or range_predecessor fail, just return 0.

[platform/upstream/gcc.git] / gcc / testsuite / g++.dg / conversion / bitfield6.C

// PR c++/27471

struct A { unsigned a:8; };

extern void b(unsigned char);

void breakme (A f)
{
  b((unsigned char) f.a);
}