[gcc(refs/users/guojiufu/heads/personal-branch)] Add debug dump for integer_cst streaming.

[Jiu Fu Guo]

https://gcc.gnu.org/g:098ba49c7cd4d3f6202b6472aec8c33b68bbada7

commit 098ba49c7cd4d3f6202b6472aec8c33b68bbada7
Author: Jan Hubicka <jh@suse.cz>
Date:   Fri May 22 16:31:21 2020 +0200

    Add debug dump for integer_cst streaming.
    
            * tree-streamer-out.c (streamer_write_integer_cst): Add debug dump.

Diff:
---
 gcc/ChangeLog           | 1 +
 gcc/tree-streamer-out.c | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 48a9a5f9701..b0199510aed 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -8,6 +8,7 @@
 	(lto_output_tree): Improve dumping; do not stream ref when not needed.
 	(produce_asm_for_decls): Fix whitespace.
 	* tree-streamer-out.c (streamer_write_tree_header): Add dump.
+	* tree-streamer-out.c (streamer_write_integer_cst): Add debug dump.
 
 2020-05-22  Hongtao.liu  <hongtao.liu@intel.com>
 
diff --git a/gcc/tree-streamer-out.c b/gcc/tree-streamer-out.c
index 724eaf5e54d..4e8a12c71e6 100644
--- a/gcc/tree-streamer-out.c
+++ b/gcc/tree-streamer-out.c
@@ -1025,6 +1025,12 @@ streamer_write_integer_cst (struct output_block *ob, tree cst, bool ref_p)
   int i;
   int len = TREE_INT_CST_NUNITS (cst);
   gcc_assert (!TREE_OVERFLOW (cst));
+  if (streamer_dump_file)
+    {
+      print_node_brief (streamer_dump_file, "     Streaming integer ",
+			cst, 4);
+      fprintf (streamer_dump_file, "\n");
+    }
   streamer_write_record_start (ob, LTO_integer_cst);
   stream_write_tree (ob, TREE_TYPE (cst), ref_p);
   /* We're effectively streaming a non-sign-extended wide_int here,