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Suppress false warning by a bug of gcc 

GCC [Bug 99578] seems triggered by calling `rb_reg_last_match` before
`match_check(match)`, probably by `NIL_P(match)` in `rb_reg_nth_match`.

[Bug 99578]: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99578
This commit is contained in:
Nobuyoshi Nakada 2022-11-08 15:06:15 +09:00
parent 4a7d6c2852
commit 001606097b
Notes: git 2022-11-08 07:13:59 +00:00 
Merged: https://github.com/ruby/ruby/pull/6690
1 changed files with 5 additions and 4 deletions
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9
re.c
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@ -1066,12 +1066,13 @@ update_char_offset(VALUE match)
}
}
static void
static VALUE
match_check(VALUE match)
{
if (!RMATCH(match)->regexp) {
rb_raise(rb_eTypeError, "uninitialized MatchData");
}
return match;
}
/* :nodoc: */
@ -2268,16 +2269,16 @@ match_values_at(int argc, VALUE *argv, VALUE match)
static VALUE
match_to_s(VALUE match)
{
VALUE str = rb_reg_last_match(match);
VALUE str = rb_reg_last_match(match_check(match));
match_check(match);
if (NIL_P(str)) str = rb_str_new(0,0);
return str;
}
static int
match_named_captures_iter(const OnigUChar *name, const OnigUChar *name_end,
int back_num, int *back_refs, OnigRegex regex, void *arg) {
int back_num, int *back_refs, OnigRegex regex, void *arg)
{
struct MEMO *memo = MEMO_CAST(arg);
VALUE hash = memo->v1;
VALUE match = memo->v2;