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glibc/glibc-2.3-regcomp.diff

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Index: posix/regcomp.c
===================================================================
--- posix/regcomp.c.orig
+++ posix/regcomp.c
@@ -2254,6 +2254,8 @@ parse_expression (re_string_t *regexp, r
else if (syntax & RE_CONTEXT_INDEP_OPS)
{
fetch_token (token, regexp, syntax);
+ if (token->type == OP_CLOSE_SUBEXP || token->type == OP_ALT)
+ return NULL;
return parse_expression (regexp, preg, token, syntax, nest, err);
}
/* else fall through */