Snippets for icu 78.1 from Alpine armv7

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-armv7/main/icu/icu-78.1-r0.log.

collationiterator.h:91:23: warning: '((const icu_78::CollationData*)((char*)this + 44))[4].icu_78::CollationData::trie' is used uninitialized [-Wuninitialized]
   91 |             : trie(d->trie),
      |                    ~~~^~~~

number_mapper.cpp:135:49: warning: 'currencyUsage' may be used uninitialized [-Wmaybe-uninitialized]
  135 |         precision = Precision::constructCurrency(currencyUsage).withCurrency(currency);
      |                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~

decNumber.cpp:1528:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
 1528 |     w->lsu[1]=1; w->lsu[0]=0;           /* ..  */
      |     ~~~~~~~~~^~

decNumber.cpp:1528:14: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
 1528 |     w->lsu[1]=1; w->lsu[0]=0;           /* ..  */
      |     ~~~~~~~~~^~

decNumber.cpp:2974:31: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
 2974 |         t->lsu[0]=9; t->lsu[1]=5; t->lsu[2]=2;
      |                      ~~~~~~~~~^~

decNumber.cpp:2974:44: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
 2974 |         t->lsu[0]=9; t->lsu[1]=5; t->lsu[2]=2;
      |                                   ~~~~~~~~~^~

collationiterator.h:91:23: warning: '((const icu_78::CollationData*)((char*)this + 44))[4].icu_78::CollationData::trie' is used uninitialized [-Wuninitialized]
   91 |             : trie(d->trie),
      |                    ~~~^~~~

number_mapper.cpp:135:49: warning: 'currencyUsage' may be used uninitialized [-Wmaybe-uninitialized]
  135 |         precision = Precision::constructCurrency(currencyUsage).withCurrency(currency);
      |                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~

decNumber.cpp:2974:31: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
 2974 |         t->lsu[0]=9; t->lsu[1]=5; t->lsu[2]=2;
      |                      ~~~~~~~~~^~

decNumber.cpp:2974:44: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
 2974 |         t->lsu[0]=9; t->lsu[1]=5; t->lsu[2]=2;
      |                                   ~~~~~~~~~^~

package.cpp:1292:65: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'unsigned int' [-Wformat=]
 1292 |     fprintf(stderr, "icupkg: Out of memory trying to allocate %lu bytes for %d items\n",
      |                                                               ~~^
      |                                                                 |
      |                                                                 long unsigned int
      |                                                               %u
 1293 |         max * sizeof(items[0]), max);
      |         ~~~~~~~~~~~~~~~~~~~~~~                                   
      |             |
      |             unsigned int

package.cpp:1292:65: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'unsigned int' [-Wformat=]
 1292 |     fprintf(stderr, "icupkg: Out of memory trying to allocate %lu bytes for %d items\n",
      |                                                               ~~^
      |                                                                 |
      |                                                                 long unsigned int
      |                                                               %u
 1293 |         max * sizeof(items[0]), max);
      |         ~~~~~~~~~~~~~~~~~~~~~~                                   
      |             |
      |             unsigned int

../../common/unicode/utf16.h:434:23: warning: array subscript -2 is below array bounds of 'const UChar[7]' {aka 'const short unsigned int[7]'} [-Warray-bounds=]
  434 |     if(U16_IS_LEAD((s)[(i)++]) && (i)!=(length) && U16_IS_TRAIL((s)[i])) { \
      |                       ^

../../common/unicode/utf8.h:534:20: warning: array subscript -2 is below array bounds of 'const uint8_t[23]' {aka 'const unsigned char[23]'} [-Warray-bounds=]
  534 |     uint8_t __b=(s)[(i)++]; \
      |                 ~~~^~~~~~~