From: Tobias Burnus <tobias@codesourcery.com>
Date: Fri, 26 Mar 2021 07:39:24 +0000 (+0100)
Subject: Fortran: Fix intrinsic null() handling [PR99651]
X-Git-Tag: basepoints/gcc-12~414
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9d45e848d02e71c11420ec49630281e9a29c89b8;p=thirdparty%2Fgcc.git

Fortran: Fix intrinsic null() handling [PR99651]

gcc/fortran/ChangeLog:

	PR fortran/99651
	* intrinsic.c (gfc_intrinsic_func_interface): Set
	attr.proc = PROC_INTRINSIC if FL_PROCEDURE.

gcc/testsuite/ChangeLog:

	PR fortran/99651
	* gfortran.dg/null_11.f90: New test.
---

diff --git a/gcc/fortran/intrinsic.c b/gcc/fortran/intrinsic.c
index e68eff8bdbbf..17fd92eb4629 100644
--- a/gcc/fortran/intrinsic.c
+++ b/gcc/fortran/intrinsic.c
@@ -5071,6 +5071,11 @@ got_specific:
       sym->attr.intrinsic = 1;
       sym->attr.flavor = FL_PROCEDURE;
     }
+  if (sym->attr.flavor == FL_PROCEDURE)
+    {
+      sym->attr.function = 1;
+      sym->attr.proc = PROC_INTRINSIC;
+    }
 
   if (!sym->module)
     gfc_intrinsic_symbol (sym);
diff --git a/gcc/testsuite/gfortran.dg/null_11.f90 b/gcc/testsuite/gfortran.dg/null_11.f90
new file mode 100644
index 000000000000..040cc260b5dd
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/null_11.f90
@@ -0,0 +1,16 @@
+! { dg-do compile }
+!
+! PR fortran/99651
+!
+module m
+    type :: CHAR_STAR
+      character(len=1),dimension(:),pointer :: ptr
+    end type
+    type(CHAR_STAR), parameter ::CHAR_STAR_NULL = CHAR_STAR(NULL())
+end module m
+
+use m
+type typeNode
+    type(typeNode),   pointer       :: Next => null()
+end type typeNode
+end