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/* When comparisons of bit-fields to unsigned constants got shortened,
the shortened signed constant was wrongly marked as overflowing,
leading to a later integer_zerop failure and misoptimization.
Related to bug tree-optimization/16437 but shows the problem on
32-bit systems. */
/* Origin: Joseph Myers <jsm@polyomino.org.uk> */
extern void abort (void);
struct s { int a:12, b:20; };
struct s x = { -123, -456 };
int
main (void)
{
if (x.a != -123U || x.b != -456U)
abort ();
return 0;
}
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