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[BZ 697]
* posix/regexec.c (prune_impossible_nodes): Handle sifted_states[0] being NULL also if there are no backreferences. * posix/rxspencer/tests: Add testcases.
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@ -1,3 +1,10 @@
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2009-01-05 Paolo Bonzini <bonzini@gnu.org>
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[BZ 697]
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* posix/regexec.c (prune_impossible_nodes): Handle sifted_states[0]
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being NULL also if there are no backreferences.
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* posix/rxspencer/tests: Add testcases.
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2009-01-04 Paolo Bonzini <bonzini@gnu.org>
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[BZ 9697]
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@ -1,5 +1,5 @@
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/* Extended regular expression matching and search library.
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Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
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Copyright (C) 2002, 2003, 2004, 2005, 2007, 2009 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
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@ -1004,6 +1004,11 @@ prune_impossible_nodes (mctx)
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re_node_set_free (&sctx.limits);
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if (BE (ret != REG_NOERROR, 0))
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goto free_return;
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if (sifted_states[0] == NULL)
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{
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ret = REG_NOMATCH;
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goto free_return;
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}
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}
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re_free (mctx->state_log);
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mctx->state_log = sifted_states;
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@ -536,3 +536,7 @@ a.*\b & abT ab
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\B & aSbTc
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\B & SaT @SaT
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\B & aSTSb @TSb
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o$($|.) - oN
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o$($|.) - op
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o$($|.) - o o
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