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Fix incorrect MRB_STR_ASCII flag update in mrb_str_dump

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### Example (with `MRB_UTF8_STRING`)

  ```ruby
  s = "\u3042"
  p s.size
  s.dump
  p s.size
  ```

#### Before this patch:

  ```
  1
  3
  ```

#### After this patch:

  ```
  1
  1
  ```
This commit is contained in:
KOBAYASHI Shuji
2019-10-22 21:56:40 +09:00
parent 1aacde20fa
commit 41c43234a7
1 changed files with 7 additions and 2 deletions
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src/string.c
+7 -2
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@@ -1388,8 +1388,13 @@ str_escape(mrb_state *mrb, mrb_value str, mrb_bool inspect)
}
mrb_str_cat_lit(mrb, result, "\"");
#ifdef MRB_UTF8_STRING
mrb_str_ptr(str)->flags |= ascii_flag;
mrb_str_ptr(result)->flags |= ascii_flag;
if (inspect) {
mrb_str_ptr(str)->flags |= ascii_flag;
mrb_str_ptr(result)->flags |= ascii_flag;
}
else {
RSTR_SET_ASCII_FLAG(mrb_str_ptr(result));
}
#endif
return result;