lto-streamer-out.c (DFS::DFS_write_tree_body): Process DECL_DEBUG_EXPR…

lto-streamer-out.c (DFS::DFS_write_tree_body): Process DECL_DEBUG_EXPR conditional on DECL_HAS_DEBUG_EXPR_P.

2018-01-12  Richard Biener  <rguenther@suse.de>

	* lto-streamer-out.c (DFS::DFS_write_tree_body): Process
	DECL_DEBUG_EXPR conditional on DECL_HAS_DEBUG_EXPR_P.
	* tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
	Likewise.
	* tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise.

From-SVN: r256563

gcc/ChangeLog

+2018-01-12  Richard Biener  <rguenther@suse.de>
+
+	* lto-streamer-out.c (DFS::DFS_write_tree_body): Process
+	DECL_DEBUG_EXPR conditional on DECL_HAS_DEBUG_EXPR_P.
+	* tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
+	Likewise.
+	* tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise.
+
 2018-01-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
 
 	* configure.ac (--with-long-double-format): Add support for the

gcc/lto-streamer-out.c

@@ -802,7 +802,8 @@ DFS::DFS_write_tree_body (struct output_block *ob,
 	   || TREE_CODE (expr) == PARM_DECL)
 	  && DECL_HAS_VALUE_EXPR_P (expr))
 	DFS_follow_tree_edge (DECL_VALUE_EXPR (expr));
-      if (VAR_P (expr))
+      if (VAR_P (expr)
+	  && DECL_HAS_DEBUG_EXPR_P (expr))
 	DFS_follow_tree_edge (DECL_DEBUG_EXPR (expr));
     }
 

gcc/tree-streamer-in.c

@@ -714,7 +714,8 @@ lto_input_ts_decl_common_tree_pointers (struct lto_input_block *ib,
       && DECL_HAS_VALUE_EXPR_P (expr))
     SET_DECL_VALUE_EXPR (expr, stream_read_tree (ib, data_in));
 
-  if (VAR_P (expr))
+  if (VAR_P (expr)
+      && DECL_HAS_DEBUG_EXPR_P (expr))
     {
       tree dexpr = stream_read_tree (ib, data_in);
       if (dexpr)

gcc/tree-streamer-out.c

@@ -609,7 +609,8 @@ write_ts_decl_common_tree_pointers (struct output_block *ob, tree expr,
       && DECL_HAS_VALUE_EXPR_P (expr))
     stream_write_tree (ob, DECL_VALUE_EXPR (expr), ref_p);
 
-  if (VAR_P (expr))
+  if (VAR_P (expr)
+      && DECL_HAS_DEBUG_EXPR_P (expr))
     stream_write_tree (ob, DECL_DEBUG_EXPR (expr), ref_p);
 }