commit 009e94d4e654ec6b009ef69d27818bdcf2915246
author Francois-Xavier Coudert <coudert@clipper.ens.fr> Tue Apr 19 09:10:05 2005 +0200
committer François-Xavier Coudert <fxcoudert@gcc.gnu.org> Tue Apr 19 07:10:05 2005 +0000
tree 8df8134ac278ca36ff0980df848ac7970a0e17d4
parent 1334b570e3beacd306e15e50ff7e7fe58cfe419b

re PR fortran/16861 ([4.0 only] segfault with doubly used module)

	PR fortran/16861
	* resolve.c (resolve_variable): If e->symtree is not set, this
	ought to be a FAILURE, and not a segfault.
	* gfortran.dg/pr16861.f90: New test.

From-SVN: r98391

gcc/fortran/resolve.c

diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index 16db943..d75704b 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -2111,6 +2111,9 @@
   if (e->ref && resolve_ref (e) == FAILURE)
     return FAILURE;
 
+  if (e->symtree == NULL)
+    return FAILURE;
+
   sym = e->symtree->n.sym;
   if (sym->attr.flavor == FL_PROCEDURE && !sym->attr.function)
     {