[cleanup] accept FIX_2274_OOB_INDEXING_IN_CORRMATRIX

/*#define FIX_I4_OL_PITCH*/                             /* fix open-loop pitch used for EVS core switching */

#define TMP_1342_WORKAROUND_DEC_FLUSH_BROKEN_IN_SR      /* FhG: Temporary workaround for incorrect implementation of decoder flush with split rendering */

#define NONBE_1122_KEEP_EVS_MODE_UNCHANGED              /* FhG: Disables fix for issue 1122 in EVS mode to keep BE tests green. This switch should be removed once the 1122 fix is added to EVS via a CR.  */

#define FIX_2274_OOB_INDEXING_IN_CORRMATRIX             /* FhG: fix OOB indexing complaint */

#define FIX_2278_OOB_INDEXING_IN_CLOSED_LOOP_PIT_SEARCH /* FhG: fix oob indexing USAN complaint */

#define FIX_2287_MCT_MDCT_STEREO_DATA_MALLOC_SIZE       /* FhG: correct allocation size for STEREO_MDCT_DEC_DATA struct */

#define FIX_1486_INIT_OUTPUT_POINTERS                   /* FhG: always initialize pointers in renderer flush */

        p3 = &rrixiy[2][pos];

        p2 = &rrixiy[1][pos];

        p1 = &rrixiy[0][pos];

#ifdef FIX_2274_OOB_INDEXING_IN_CORRMATRIX

        p0 = &rrixiy[3][pos];

        /* decrement pointer instead of indexing the array to avoid CLANG Usan complaint */

        /* for last loop iteration, this points to rrixiy[3][-1], but is not actually accessed in later loop (k = 15 then, so inner loop will not run) */

        p0 -= 16;

#else

        p0 = &rrixiy[3][pos - 16];

#endif

        cor = 0.0F;

        ptr_h1 = h;