Fortran/OpenMP: Handle implicit SAVE for variables in main
gcc/fortran/ChangeLog:
* resolve.c (resolve_symbol): Handle implicit SAVE of main-program
for vars in 'omp threadprivate' and 'omp declare target'.
gcc/testsuite/ChangeLog:
* gfortran.dg/gomp/implicit-save.f90: New test.
@@ -16039,7 +16039,8 @@ resolve_symbol (gfc_symbol *sym)
&& !(sym->ns->save_all && !sym->attr.automatic)
&& sym->module == NULL
&& (sym->ns->proc_name == NULL
- || sym->ns->proc_name->attr.flavor != FL_MODULE))
+ || (sym->ns->proc_name->attr.flavor != FL_MODULE
+ && !sym->ns->proc_name->attr.is_main_program)))
gfc_error ("Threadprivate at %L isn't SAVEd", &sym->declared_at);
/* Check omp declare target restrictions. */
@@ -16050,7 +16051,8 @@ resolve_symbol (gfc_symbol *sym)
&& (!sym->attr.in_common
&& sym->module == NULL
&& (sym->ns->proc_name == NULL
- || sym->ns->proc_name->attr.flavor != FL_MODULE)))
+ || (sym->ns->proc_name->attr.flavor != FL_MODULE
+ && !sym->ns->proc_name->attr.is_main_program))))
gfc_error ("!$OMP DECLARE TARGET variable %qs at %L isn't SAVEd",
sym->name, &sym->declared_at);
new file mode 100644
@@ -0,0 +1,11 @@
+subroutine foo
+ integer :: n = 5, m = 7
+ !$omp declare target to(n)
+ !$omp threadprivate (m)
+end
+
+program main
+ integer :: i, j
+ !$omp declare target to(i)
+ !$omp threadprivate (j)
+end