re PR middle-end/41713 (-O -flto -g: ICE in lto_output_tree_ref, at lto-streamer-out.c:732)

2009-10-16  Richard Guenther  <rguenther@suse.de>

	PR lto/41713
	* lto-streamer-out.c (lto_output_tree_ref): Handle DEBUG_EXPR_DECL
	the same as VAR_DECL.

	* gfortran.dg/lto/20091016-1_0.f90: New testcase.

From-SVN: r152902

gcc/ChangeLog

 2009-10-16  Richard Guenther  <rguenther@suse.de>
 
+	PR lto/41713
+	* lto-streamer-out.c (lto_output_tree_ref): Handle DEBUG_EXPR_DECL
+	the same as VAR_DECL.
+
+2009-10-16  Richard Guenther  <rguenther@suse.de>
+
 	* gimple.c (iterative_hash_gimple_type): For integer types
 	also hash their minimum and maximum values and the string flag.
 	For array types hash their domain and the string flag.

gcc/lto-streamer-out.c

@@ -690,6 +690,7 @@ lto_output_tree_ref (struct output_block *ob, tree expr)
       break;
 
     case VAR_DECL:
+    case DEBUG_EXPR_DECL:
       gcc_assert (decl_function_context (expr) == NULL);
       output_record_start (ob, LTO_global_decl_ref);
       lto_output_var_decl_index (ob->decl_state, ob->main_stream, expr);

gcc/testsuite/ChangeLog

+2009-10-16  Richard Guenther  <rguenther@suse.de>
+
+	PR lto/41713
+	* gfortran.dg/lto/20091016-1_0.f90: New testcase.
+
 2009-10-15  Jakub Jelinek  <jakub@redhat.com>
 
 	PR debug/41717

gcc/testsuite/gfortran.dg/lto/20091016-1_0.f90

+! { dg-lto-do link }
+! { dg-lto-options {{-flto -g -fPIC -shared} {-O -flto -g -fPIC -shared}} }
+
+      FUNCTION makenumberstring(x)
+      IMPLICIT NONE
+      REAL, INTENT(IN)     :: x
+      CHARACTER(len=20)      :: makenumberstring
+      INTEGER             :: xx
+      xx = x**2  ! << ICE
+      makenumberstring = ''
+      END FUNCTION
+