re PR debug/91968 (DW_AT_low_pc missing for DW_TAG_label with LTO)

2019-10-04  Richard Biener  <rguenther@suse.de>

	PR lto/91968
	* tree.c (find_decls_types_r): Do not remove LABEL_DECLs from
	BLOCK_VARS.

From-SVN: r276571

gcc/ChangeLog

 2019-10-04  Richard Biener  <rguenther@suse.de>
 
+	PR lto/91968
+	* tree.c (find_decls_types_r): Do not remove LABEL_DECLs from
+	BLOCK_VARS.
+
+2019-10-04  Richard Biener  <rguenther@suse.de>
+
 	PR tree-optimization/91982
 	* tree-vect-loop.c (vectorizable_live_operation): Also guard
 	against EXTRACT_LAST_REDUCTION.

gcc/tree.c

@@ -5963,8 +5963,9 @@ find_decls_types_r (tree *tp, int *ws, void *data)
     {
       for (tree *tem = &BLOCK_VARS (t); *tem; )
 	{
-	  if (TREE_CODE (*tem) != VAR_DECL
-	      || !auto_var_in_fn_p (*tem, DECL_CONTEXT (*tem)))
+	  if (TREE_CODE (*tem) != LABEL_DECL
+	      && (TREE_CODE (*tem) != VAR_DECL
+		  || !auto_var_in_fn_p (*tem, DECL_CONTEXT (*tem))))
 	    {
 	      gcc_assert (TREE_CODE (*tem) != RESULT_DECL
 			  && TREE_CODE (*tem) != PARM_DECL);