diff options
author | Harald Anlauf <anlauf@gmx.de> | 2022-04-04 20:42:51 +0200 |
---|---|---|
committer | Harald Anlauf <anlauf@gmx.de> | 2022-05-16 21:50:59 +0200 |
commit | f43db17894744827d93ddcea7952d4ecf1f83f30 (patch) | |
tree | 4e4749f2d6fb65037b2b9572a89aee1fdfcacde2 | |
parent | 882739c259fa2a0dcce58b501c140e3ef0bf1e5d (diff) |
Fortran: a RECURSIVE procedure cannot be an INTRINSIC
gcc/fortran/ChangeLog:
PR fortran/105138
* intrinsic.c (gfc_is_intrinsic): When a symbol refers to a
RECURSIVE procedure, it cannot be an INTRINSIC.
gcc/testsuite/ChangeLog:
PR fortran/105138
* gfortran.dg/recursive_reference_3.f90: New test.
Co-authored-by: Steven G. Kargl <kargl@gcc.gnu.org>
(cherry picked from commit d46685b04071a485b56de353d997a866bfc8caba)
-rw-r--r-- | gcc/fortran/intrinsic.c | 1 | ||||
-rw-r--r-- | gcc/testsuite/gfortran.dg/recursive_reference_3.f90 | 14 |
2 files changed, 15 insertions, 0 deletions
diff --git a/gcc/fortran/intrinsic.c b/gcc/fortran/intrinsic.c index 3fbc8cad914..7d8504166d6 100644 --- a/gcc/fortran/intrinsic.c +++ b/gcc/fortran/intrinsic.c @@ -1105,6 +1105,7 @@ gfc_is_intrinsic (gfc_symbol* sym, int subroutine_flag, locus loc) /* Check for attributes which prevent the symbol from being INTRINSIC. */ if (sym->attr.external || sym->attr.contained + || sym->attr.recursive || sym->attr.if_source == IFSRC_IFBODY) return false; diff --git a/gcc/testsuite/gfortran.dg/recursive_reference_3.f90 b/gcc/testsuite/gfortran.dg/recursive_reference_3.f90 new file mode 100644 index 00000000000..f4e2963aec2 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/recursive_reference_3.f90 @@ -0,0 +1,14 @@ +! { dg-do compile } +! { dg-options "-std=f2018" } +! PR fortran/105138 - recursive procedures and shadowing of intrinsics + +RECURSIVE FUNCTION LOG_GAMMA(Z) RESULT(RES) + COMPLEX, INTENT(IN) :: Z + COMPLEX :: RES + RES = LOG_GAMMA(Z) +END FUNCTION LOG_GAMMA + +recursive subroutine date_and_time (z) + real :: z + if (z > 0) call date_and_time (z-1) +end subroutine date_and_time |