cc: compiler error: register allocation error

[Ray Butterworth]

typedef struct {
   char name[11];
} Type1;

struct {
   int line;
   Type1 *first;
} *q;

extern Type1 sfunc();
extern Type1 *spfunc();

main()
{
    *(q->first = spfunc()) = sfunc();
}


line 15: compiler error: register allocation error