re PR c++/43080 (ICE with anonymous union and -flto)

2010-04-26  Richard Guenther  <rguenther@suse.de>

	PR lto/43080
	* gimple.c (gimple_decl_printable_name): Deal gracefully
	with a NULL DECL_NAME.

	* g++.dg/lto/20100423-3_0.C: New testcase.

From-SVN: r158723

gcc/ChangeLog

 2010-04-26  Richard Guenther  <rguenther@suse.de>
 
+	PR lto/43080
+	* gimple.c (gimple_decl_printable_name): Deal gracefully
+	with a NULL DECL_NAME.
+
+2010-04-26  Richard Guenther  <rguenther@suse.de>
+
 	PR lto/42425
 	* tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
 	if emitting debug information and it is either a function

gcc/gimple.c

@@ -4579,7 +4579,8 @@ gimple_ior_addresses_taken (bitmap addresses_taken, gimple stmt)
 const char *
 gimple_decl_printable_name (tree decl, int verbosity)
 {
-  gcc_assert (decl && DECL_NAME (decl));
+  if (!DECL_NAME (decl))
+    return NULL;
 
   if (DECL_ASSEMBLER_NAME_SET_P (decl))
     {

gcc/testsuite/ChangeLog

 2010-04-26  Richard Guenther  <rguenther@suse.de>
 
+	PR lto/43080
+	* g++.dg/lto/20100423-3_0.C: New testcase.
+
+2010-04-26  Richard Guenther  <rguenther@suse.de>
+
 	PR lto/42425
 	* g++.dg/lto/20100423-2_0.C: New testcase.
 

gcc/testsuite/g++.dg/lto/20100423-3_0.C

+// { dg-lto-do assemble }
+// { dg-lto-options {{-flto -g}} }
+
+inline int foo()
+{
+  static union { int i; };
+  return i;
+}
+
+void bar()
+{
+  foo();
+}
+