libavcodec/aacsbr.c:403: error: Integer Overflow L2
  ([-1+min(1, `sbr->f_master[*]`), +oo] - 1):unsigned16.

libavcodec/aacsbr.c:311:1: <LHS trace>
309. 
310. /// Master Frequency Band Table (14496-3 sp04 p194)
311. static int sbr_make_f_master(AACContext *ac, SpectralBandReplication *sbr,
     ^
312.                              SpectrumParameters *spectrum)
313. {

libavcodec/aacsbr.c:311:1: Parameter `sbr->f_master[*]`
309. 
310. /// Master Frequency Band Table (14496-3 sp04 p194)
311. static int sbr_make_f_master(AACContext *ac, SpectralBandReplication *sbr,
     ^
312.                              SpectrumParameters *spectrum)
313. {

libavcodec/aacsbr.c:403:33: <RHS trace>
401.         if (k2diff < 0) {
402.             sbr->f_master[1]--;
403.             sbr->f_master[2]-= (k2diff < 1);
                                     ^
404.         } else if (k2diff) {
405.             sbr->f_master[sbr->n_master]++;

libavcodec/aacsbr.c:403:33: Assignment
401.         if (k2diff < 0) {
402.             sbr->f_master[1]--;
403.             sbr->f_master[2]-= (k2diff < 1);
                                     ^
404.         } else if (k2diff) {
405.             sbr->f_master[sbr->n_master]++;

libavcodec/aacsbr.c:403:13: Binary operation: ([-1+min(1, sbr->f_master[*]), +oo] - 1):unsigned16
401.         if (k2diff < 0) {
402.             sbr->f_master[1]--;
403.             sbr->f_master[2]-= (k2diff < 1);
                 ^
404.         } else if (k2diff) {
405.             sbr->f_master[sbr->n_master]++;
