https://gcc.gnu.org/g:a38310ca138319c463b6892cc723970a37aeee9e
commit r16-6856-ga38310ca138319c463b6892cc723970a37aeee9e Author: Jerry DeLisle <[email protected]> Date: Sat Jan 17 09:23:53 2026 -0800 Fortran: Documentation update on -fdefault-real-8 and family PR fortran/122957 gcc/fortran/ChangeLog: * invoke.texi: Add note that these features are incompatible with user defined derived type I/O. (DTIO) Diff: --- gcc/fortran/invoke.texi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/gcc/fortran/invoke.texi b/gcc/fortran/invoke.texi index 0f92f325a701..549c45032fdc 100644 --- a/gcc/fortran/invoke.texi +++ b/gcc/fortran/invoke.texi @@ -592,6 +592,8 @@ BOZ literal constant conversion, and I/O and calls to intrinsic procedures when passing a value to the @code{kind=} dummy argument. Inspection of the intermediate representation of the translated Fortran code, produced by @option{-fdump-fortran-original} or @option{-fdump-tree-original}, is suggested. +NOTE: These options are incompatible with user defined derived +type I/O (DTIO). @opindex std=@var{std} @item -std=@var{std}
