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* [gcc r11-9378] Fortran: fix checking of elemental functions of type CLASS
@ 2021-12-12 20:31 Harald Anlauf
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From: Harald Anlauf @ 2021-12-12 20:31 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:ce80f2c0e7a86e555201e9e61a26306adff4a074
commit r11-9378-gce80f2c0e7a86e555201e9e61a26306adff4a074
Author: Harald Anlauf <anlauf@gmx.de>
Date: Fri Dec 10 22:41:24 2021 +0100
Fortran: fix checking of elemental functions of type CLASS
gcc/fortran/ChangeLog:
PR fortran/103606
* resolve.c (resolve_fl_procedure): Do not access CLASS components
before class container has been built.
gcc/testsuite/ChangeLog:
PR fortran/103606
* gfortran.dg/pr103606.f90: New test.
(cherry picked from commit 7e913caad081ea85da4f257265f2d3383cdbe8d5)
Diff:
---
gcc/fortran/resolve.c | 3 ++-
gcc/testsuite/gfortran.dg/pr103606.f90 | 12 ++++++++++++
2 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index bf7902742e2..1367d58a963 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -13237,7 +13237,8 @@ resolve_fl_procedure (gfc_symbol *sym, int mp_flag)
/* An elemental function is required to return a scalar 12.7.1 */
if (sym->attr.elemental && sym->attr.function
- && (sym->as || (sym->ts.type == BT_CLASS && CLASS_DATA (sym)->as)))
+ && (sym->as || (sym->ts.type == BT_CLASS && sym->attr.class_ok
+ && CLASS_DATA (sym)->as)))
{
gfc_error ("ELEMENTAL function %qs at %L must have a scalar "
"result", sym->name, &sym->declared_at);
diff --git a/gcc/testsuite/gfortran.dg/pr103606.f90 b/gcc/testsuite/gfortran.dg/pr103606.f90
new file mode 100644
index 00000000000..43283184e89
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr103606.f90
@@ -0,0 +1,12 @@
+! { dg-do compile }
+! PR fortran/103606 - ICE in resolve_fl_procedure
+! Contributed by G.Steinmetz
+
+program p
+ type t
+ end type
+contains
+ elemental function f() result(z) ! { dg-error "CLASS variable" }
+ class(t) :: z
+ end
+end
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