https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83135
Bug ID: 83135
Summary: Routines in submodules treat protected variables from
other modules as public
Product: gcc
Version: 7.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: ying.zhu at doctorant dot ec-lyon.fr
Target Milestone: ---
Created attachment 42698
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42698&action=edit
Code to illustrate the bug
I define a variable xx in mod1 with protected attribute, then use mod1 in mod2.
echo_xx is a submodule subroutine implemented in a submodule of mod2, then I
find echo_xx can change the value of xx and gnu fortran allows this when
compiling and running, protected attribute doesn't work at all.
Meanwhile, the value of xx can not be changed in main program or other module
subroutines not submodule subroutines. Thant means, this bug is only related to
submodules.
