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* posix/regcomp.c (init_word_char): Add comments.
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@ -1,3 +1,7 @@
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2017-11-22 Paul Eggert <eggert@cs.ucla.edu>
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* posix/regcomp.c (init_word_char): Add comments.
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2017-11-22 Joseph Myers <joseph@codesourcery.com>
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[BZ #22447]
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@ -925,12 +925,15 @@ init_word_char (re_dfa_t *dfa)
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int ch = 0;
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if (BE (dfa->map_notascii == 0, 1))
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{
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/* Avoid uint32_t and uint64_t as some non-GCC platforms lack
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them, an issue when this code is used in Gnulib. */
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bitset_word_t bits0 = 0x00000000;
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bitset_word_t bits1 = 0x03ff0000;
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bitset_word_t bits2 = 0x87fffffe;
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bitset_word_t bits3 = 0x07fffffe;
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if (BITSET_WORD_BITS == 64)
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{
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/* Pacify gcc -Woverflow on 32-bit platformns. */
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dfa->word_char[0] = bits1 << 31 << 1 | bits0;
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dfa->word_char[1] = bits3 << 31 << 1 | bits2;
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i = 2;
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