* [PATCH] PR fortran/97036 - [F2018] Allow ELEMENTAL RECURSIVE procedure prefix
@ 2020-09-15 20:35 Harald Anlauf
2020-09-18 22:14 ` Jerry DeLisle
0 siblings, 1 reply; 2+ messages in thread
From: Harald Anlauf @ 2020-09-15 20:35 UTC (permalink / raw)
To: fortran, gcc-patches
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As stated in the PR, the Fortran 2018 standard removed the restriction
prohibiting ELEMENTAL RECURSIVE procedures. Adjust the relevant check.
Regtested on x86_64-pc-linux-gnu.
OK for master?
Thanks,
Harald
PR fortran/97036 - [F2018] Allow ELEMENTAL RECURSIVE procedure prefix
gcc/fortran/ChangeLog:
* symbol.c (gfc_check_conflict): Allow ELEMENTAL RECURSIVE
procedure prefix for -std=f2018.
gcc/testsuite/ChangeLog:
* gfortran.dg/pr97036.f90: New test.
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diff --git a/gcc/fortran/symbol.c b/gcc/fortran/symbol.c
index abd3b5ccfd0..df1e8965daa 100644
--- a/gcc/fortran/symbol.c
+++ b/gcc/fortran/symbol.c
@@ -569,7 +569,7 @@ gfc_check_conflict (symbol_attribute *attr, const char *name, locus *where)
conf_std (allocatable, dummy, GFC_STD_F2003);
conf_std (allocatable, function, GFC_STD_F2003);
conf_std (allocatable, result, GFC_STD_F2003);
- conf (elemental, recursive);
+ conf_std (elemental, recursive, GFC_STD_F2018);
conf (in_common, dummy);
conf (in_common, allocatable);
diff --git a/gcc/testsuite/gfortran.dg/pr97036.f90 b/gcc/testsuite/gfortran.dg/pr97036.f90
new file mode 100644
index 00000000000..cfe51debce1
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr97036.f90
@@ -0,0 +1,27 @@
+! { dg-do compile }
+! { dg-options "-std=f2018" }
+! PR fortran/97036 - [F2018] Allow ELEMENTAL RECURSIVE procedure prefix
+
+module m97036
+ implicit none
+contains
+ impure elemental recursive subroutine foo (n)
+ integer, intent(in) :: n
+ integer :: k(n), f(n), i
+ k = [ (i-1, i=1,n) ]
+ f = fac (k)
+ print *, f
+ end subroutine foo
+ elemental recursive subroutine bla ()
+ end subroutine bla
+ elemental recursive function fac (k) result (f)
+ integer, intent(in) :: k
+ integer :: f
+ f = 1
+ if (k > 1) f = k*fac (k-1)
+ end function fac
+end module
+ use m97036
+ implicit none
+ call foo ([4,5])
+end
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] PR fortran/97036 - [F2018] Allow ELEMENTAL RECURSIVE procedure prefix
2020-09-15 20:35 [PATCH] PR fortran/97036 - [F2018] Allow ELEMENTAL RECURSIVE procedure prefix Harald Anlauf
@ 2020-09-18 22:14 ` Jerry DeLisle
0 siblings, 0 replies; 2+ messages in thread
From: Jerry DeLisle @ 2020-09-18 22:14 UTC (permalink / raw)
To: Harald Anlauf, fortran, gcc-patches
ok, thanks .
On 9/15/20 1:35 PM, Harald Anlauf wrote:
> As stated in the PR, the Fortran 2018 standard removed the restriction
> prohibiting ELEMENTAL RECURSIVE procedures. Adjust the relevant check.
>
> Regtested on x86_64-pc-linux-gnu.
>
> OK for master?
>
> Thanks,
> Harald
>
>
> PR fortran/97036 - [F2018] Allow ELEMENTAL RECURSIVE procedure prefix
>
> gcc/fortran/ChangeLog:
>
> * symbol.c (gfc_check_conflict): Allow ELEMENTAL RECURSIVE
> procedure prefix for -std=f2018.
>
> gcc/testsuite/ChangeLog:
>
> * gfortran.dg/pr97036.f90: New test.
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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