re PR fortran/47054 (Compilation error when cray pointers are declared in both…

re PR fortran/47054 (Compilation error when cray pointers are declared in both host and internal subroutines)

2019-10-05  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/47045
	* decl.c (variable_decl): Do not search parent namespace for symbol.

2019-10-05  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/47045
	* gfortran.dg/pr47054_1.f90: New test
	* gfortran.dg/pr47054_2.f90: Ditto.

From-SVN: r276627

gcc/fortran/ChangeLog

+2019-10-05  Steven G. Kargl  <kargl@gcc.gnu.org>
+
+	PR fortran/47045
+	* decl.c (variable_decl): Do not search parent namespace for symbol.
+
 2019-10-05  Paul Thomas  <pault@gcc.gnu.org>
 
 	PR fortran/91926

gcc/fortran/decl.c

@@ -2682,7 +2682,7 @@ variable_decl (int elem)
       then we want to set the type & bail out.  */
   if (flag_cray_pointer && !gfc_comp_struct (gfc_current_state ()))
     {
-      gfc_find_symbol (name, gfc_current_ns, 1, &sym);
+      gfc_find_symbol (name, gfc_current_ns, 0, &sym);
       if (sym != NULL && sym->attr.cray_pointee)
 	{
 	  m = MATCH_YES;

gcc/testsuite/gfortran.dg/pr47054_1.f90

+! { dg-do compile }
+! { dg-options "-fcray-pointer" }
+! PR fortran/47054
+subroutine host_sub
+   implicit none
+   real xg
+   pointer (paxg, xg)
+   call internal_sub
+   contains 
+      subroutine internal_sub
+         implicit none
+         real xg
+         pointer (paxg, xg)
+      end subroutine internal_sub
+end subroutine host_sub

gcc/testsuite/gfortran.dg/pr47054_2.f90

+! { dg-do compile }
+! { dg-options "-fcray-pointer" }
+! PR fortran/47054
+! Code contributed by Deji Akingunola <deji_aking at yahoo dot ca>
+subroutine host_sub(F_su,F_nk)
+   implicit none
+   
+   integer :: F_nk
+   real,dimension(F_nk) :: F_su
+      integer G_ni, G_nj
+      real*8 G_xg_8, G_yg_8
+      pointer (paxg_8, G_xg_8(G_ni))
+      pointer (payg_8, G_yg_8(G_nj))
+      common / G_p / paxg_8,payg_8
+      common / G / G_ni, G_nj
+   
+   call internal_sub(F_su,F_nk)
+   return
+contains 
+   
+   subroutine internal_sub(F_su,F_nk)
+      implicit none
+      integer G_ni, G_nj
+      real*8 G_xg_8, G_yg_8
+      pointer (paxg_8, G_xg_8(G_ni))
+      pointer (payg_8, G_yg_8(G_nj))
+      common / G_p / paxg_8,payg_8
+      common / G / G_ni, G_nj
+     
+      integer :: F_nk
+      real,dimension(F_nk) :: F_su 
+      integer k,k2
+      
+      k2 = 0
+      do k = 1, F_nk, 2
+         k2 = k2+1
+               F_su(k) = F_su(k) + 1.0
+      enddo
+      return
+   end subroutine internal_sub
+end subroutine host_sub