libavcodec/aacsbr.c:395: error: Integer Overflow L2
  ([-1+min(1, `sbr->f_master[*]`), +oo] - [0, 1]):unsigned16.

libavcodec/aacsbr.c:304:1: <LHS trace>
302. 
303. /// Master Frequency Band Table (14496-3 sp04 p194)
304. static int sbr_make_f_master(AACContext *ac, SpectralBandReplication *sbr,
     ^
305.                              SpectrumParameters *spectrum)
306. {

libavcodec/aacsbr.c:304:1: Parameter `sbr->f_master[*]`
302. 
303. /// Master Frequency Band Table (14496-3 sp04 p194)
304. static int sbr_make_f_master(AACContext *ac, SpectralBandReplication *sbr,
     ^
305.                              SpectrumParameters *spectrum)
306. {

libavcodec/aacsbr.c:395:33: <RHS trace>
393.         if (k2diff < 0) {
394.             sbr->f_master[1]--;
395.             sbr->f_master[2]-= (k2diff < -1);
                                     ^
396.         } else if (k2diff) {
397.             sbr->f_master[sbr->n_master]++;

libavcodec/aacsbr.c:395:33: Assignment
393.         if (k2diff < 0) {
394.             sbr->f_master[1]--;
395.             sbr->f_master[2]-= (k2diff < -1);
                                     ^
396.         } else if (k2diff) {
397.             sbr->f_master[sbr->n_master]++;

libavcodec/aacsbr.c:395:13: Binary operation: ([-1+min(1, sbr->f_master[*]), +oo] - [0, 1]):unsigned16
393.         if (k2diff < 0) {
394.             sbr->f_master[1]--;
395.             sbr->f_master[2]-= (k2diff < -1);
                 ^
396.         } else if (k2diff) {
397.             sbr->f_master[sbr->n_master]++;
