Snippets for libvpx 1.17.0 from Fedora ppc64le

Sourced from https://kojipkgs.fedoraproject.org/packages/libvpx/1.17.0/1.fc46/data/logs/ppc64le/build.log.

• vp9/common/vp9_reconintra.c:315:46: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
    315 |         for (i = 0; i < bs; ++i) left_col[i] = ref[i * ref_stride - 1];
        |                                  ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
  

• vp9/common/vp9_reconintra.c:305:48: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
    305 |           for (i = 0; i < bs; ++i) left_col[i] = ref[i * ref_stride - 1];
        |                                    ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
  

• vp9/common/vp9_reconintra.c:315:46: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
    315 |         for (i = 0; i < bs; ++i) left_col[i] = ref[i * ref_stride - 1];
        |                                              ^
  

• vp9/common/vp9_reconintra.c:305:48: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
    305 |           for (i = 0; i < bs; ++i) left_col[i] = ref[i * ref_stride - 1];
        |                                                ^
  

• /usr/include/bits/string_fortified.h:59:10: warning: ‘__builtin_memset’ specified bound between 18446744071562067968 and 18446744073709551592 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
     59 |   return __builtin___memset_chk (__dest, __ch, __len,
        |          ^
  

• /usr/include/bits/string_fortified.h:59:10: warning: ‘__builtin_memset’ specified bound between 18446744072635809824 and 18446744073709551592 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
     59 |   return __builtin___memset_chk (__dest, __ch, __len,
        |          ^
  

• /usr/include/bits/string_fortified.h:59:10: warning: ‘__builtin_memset’ specified bound between 18446744073709551593 and 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
     59 |   return __builtin___memset_chk (__dest, __ch, __len,
        |          ^
  

• /usr/include/bits/string_fortified.h:59:10: warning: ‘__builtin_memset’ specified bound between 18446744071562067968 and 18446744073709551592 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
  

• vpx/src/vpx_image.c:277:27: warning: ‘free’ called on pointer ‘in_7(D)’ with nonzero offset 160 [-Wfree-nonheap-object]
    277 |     if (img->self_allocd) free(img);
        |                           ^