[Bug fortran/112459] gfortran -w option causes derived-type finalization at creation time
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112459 --- Comment #4 from GCC Commits --- The master branch has been updated by Paul Thomas : https://gcc.gnu.org/g:9a1105b770df9a9b485705398abbb74b5c487a25 commit r14-6621-g9a1105b770df9a9b485705398abbb74b5c487a25 Author: Paul Thomas Date: Sat Dec 16 13:59:45 2023 + Fortran: Prevent unwanted finalization with -w option [PR112459] 2023-12-16 Paul Thomas gcc/fortran PR fortran/112459 * trans-array.cc (gfc_trans_array_constructor_value): Replace gfc_notification_std with explicit logical expression that selects F2003/2008 and excludes -std=default/gnu. * trans-expr.cc (gfc_conv_expr): Ditto. gcc/testsuite/ PR fortran/112459 * gfortran.dg/pr112459.f90: New test.
[Bug fortran/112459] gfortran -w option causes derived-type finalization at creation time
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112459 --- Comment #3 from Paul Thomas --- Hi Sebastien, I have posted the patch to the gfortran list. Hopefully, the bug will be fixed this weekend. Thanks for the report. Paul
[Bug fortran/112459] gfortran -w option causes derived-type finalization at creation time
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112459 Paul Thomas changed: What|Removed |Added Last reconfirmed||2023-11-09 Status|UNCONFIRMED |NEW Ever confirmed|0 |1 Blocks||37336 --- Comment #2 from Paul Thomas --- It has been on my TODO list to partially revert the finalization of structure and array constructors so that gfortran behaves like nagfor and only "knows" about F2018. Finalization of constructors per se was removed in F2018 for very good reasons! I am still working on the CLASS variants of PR99065. Perhaps I should put that on one side and clean up finalization? @Sebastien - I will have to see what the -w switch does and why it should affect the code behaviour. I can confirm the behaviour that you describe, as Harald has already done. The F2003 and F2008 specific parts are blocked by: if (!gfc_notification_std (GFC_STD_F2018_DEL) && Evidently switching off the warnings with -w causes this to return true! Cheers Paul Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=37336 [Bug 37336] [F03] Finish derived-type finalization
[Bug fortran/112459] gfortran -w option causes derived-type finalization at creation time
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112459 anlauf at gcc dot gnu.org changed: What|Removed |Added CC||pault at gcc dot gnu.org --- Comment #1 from anlauf at gcc dot gnu.org --- When I compile the code with -std=f2008, I get: pr112459.f90:28:13: 28 | allocate(c) | 1 Warning: The structure constructor at (1) has been finalized. This feature was removed by f08/0011. Use -std=f2018 or -std=gnu to eliminate the finalization. It behaves as you expect if I specify -std=gnu or -std=f2018. Trying several combinations, it appears the following variants work: -std=gnu -std=f2018 -std=f2018 -w and these "fail": -w -std=f2008 -std=f2008 -w -std=gnu -w Note that default is -std=gnu . Now I wonder how -w interferes with -std=gnu ...
