https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117381

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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             Status|WAITING                     |NEW

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
I'll note that

f951: Fatal Error: Maximum supported identifier length is 63

which is a hard compiled-in limit that is used throughout the frontend for
static allocation of names.

gfortran.h:#define GFC_MAX_SYMBOL_LEN 63   /* Must be at least 63 for F2003. 
*/

so it seems we use the minimum allowed implementation-defined limit
(which is also the default, unless -std=f95).

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