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merge revision(s) 8f51da5d41: [Backport #15946]

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Get rid of undefined behavior

	* string.c (rb_str_sub_bang): str and repl can be same.
	  [Bug #15946]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@67770 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
usa 2019-08-26 16:17:49 +00:00
parent 6b7ebe835c
commit 080e04e863
2 changed files with 2 additions and 2 deletions
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2
string.c
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@ -5016,7 +5016,7 @@ rb_str_sub_bang(int argc, VALUE *argv, VALUE str)
if (rlen != plen) {
memmove(p + beg0 + rlen, p + beg0 + plen, len - beg0 - plen);
}
memcpy(p + beg0, rp, rlen);
memmove(p + beg0, rp, rlen);
len += rlen - plen;
STR_SET_LEN(str, len);
TERM_FILL(&RSTRING_PTR(str)[len], TERM_LEN(str));

2
version.h
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@ -1,6 +1,6 @@
#define RUBY_VERSION "2.5.6"
#define RUBY_RELEASE_DATE "2019-08-27"
#define RUBY_PATCHLEVEL 188
#define RUBY_PATCHLEVEL 189
#define RUBY_RELEASE_YEAR 2019
#define RUBY_RELEASE_MONTH 8