commit 12c8610481cc199a6019cd41d07dbdf8906032d0
Author: janus <janus@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Thu Sep 15 17:48:27 2011 +0000

    2011-09-15  Janus Weil  <janus@gcc.gnu.org>
    
    	PR fortran/50401
    	* resolve.c (resolve_transfer): Check if component 'ref' is defined.
    
    	PR fortran/50403
    	* symbol.c (gfc_use_derived): Check if argument 'sym' is defined.
    
    
    2011-09-15  Janus Weil  <janus@gcc.gnu.org>
    
    	PR fortran/50401
    	PR fortran/50403
    	* gfortran.dg/function_types_3.f90: New.
    
    
    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178889 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index eeb462f..a8e0273 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,11 @@
+2011-09-15  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/50401
+	* resolve.c (resolve_transfer): Check if component 'ref' is defined.
+
+	PR fortran/50403
+	* symbol.c (gfc_use_derived): Check if argument 'sym' is defined.
+
 2011-09-14  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/34547
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index 9aab836..62750af 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -8222,7 +8222,7 @@ resolve_transfer (gfc_code *code)
 	}
     }
 
-  if (sym->as != NULL && sym->as->type == AS_ASSUMED_SIZE
+  if (sym->as != NULL && sym->as->type == AS_ASSUMED_SIZE && exp->ref
       && exp->ref->type == REF_ARRAY && exp->ref->u.ar.type == AR_FULL)
     {
       gfc_error ("Data transfer element at %L cannot be a full reference to "
diff --git a/gcc/fortran/symbol.c b/gcc/fortran/symbol.c
index b2f0f2b..e2f13b8 100644
--- a/gcc/fortran/symbol.c
+++ b/gcc/fortran/symbol.c
@@ -1945,6 +1945,8 @@ gfc_use_derived (gfc_symbol *sym)
   gfc_symtree *st;
   int i;
 
+  if (!sym) return NULL;
+
   if (sym->components != NULL || sym->attr.zero_comp)
     return sym;               /* Already defined.  */
 
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 86cdde0..0accd60 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2011-09-15  Janus Weil  <janus@gcc.gnu.org>
+
+	PR fortran/50401
+	PR fortran/50403
+	* gfortran.dg/function_types_3.f90: New.
+
 2011-09-15  Jason Merrill  <jason@redhat.com>
 
 	PR c++/50365
diff --git a/gcc/testsuite/gfortran.dg/function_types_3.f90 b/gcc/testsuite/gfortran.dg/function_types_3.f90
new file mode 100644
index 0000000..8d00f5f
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/function_types_3.f90
@@ -0,0 +1,19 @@
+! { dg-do compile }
+!
+! Contributed by Vittorio Zecca <zeccav@gmail.com>
+!
+! PR 50401: SIGSEGV in resolve_transfer
+
+  interface 
+    function f()      ! { dg-error "must be a dummy argument" }
+      dimension f(*)
+    end function
+  end interface
+  print *,f()
+end
+
+! PR 50403: SIGSEGV in gfc_use_derived
+
+type(f) function f()  ! { dg-error "conflicts with DERIVED attribute|is not accessible" }
+  f=110               ! { dg-error "Unclassifiable statement" }
+end