+2021-12-25 Francois-Xavier Coudert <fxcoudert@gmail.com>
+
+ PR libfortran/81986
+ PR libfortran/99191
+ * libgfortran.h: Remove gfc_xtoa(), adjust gfc_itoa() and
+ GFC_ITOA_BUF_SIZE.
+ * io/write.c (write_decimal): conversion parameter is always
+ gfc_itoa(), so remove it. Protect from overflow.
+ (xtoa): Move gfc_xtoa and update its name.
+ (xtoa_big): Renamed from ztoa_big for consistency.
+ (write_z): Adjust to new function names.
+ (write_i, write_integer): Remove last arg of write_decimal.
+ * runtime/backtrace.c (error_callback): Comment on the use of
+ gfc_itoa().
+ * runtime/error.c (gfc_xtoa): Move to io/write.c.
+ * runtime/string.c (gfc_itoa): Take an unsigned argument,
+ remove the handling of negative values.
+
2021-12-22 Francois-Xavier Coudert <fxcoudert@gmail.com>
* kinds-override.h: Move GFC_REAL_16_IS_* macros...