analyzer: log out-edge description in exploded_graph::process_node

I found this logging tweak very helpful when working on
PR analyzer/106284.

gcc/analyzer/ChangeLog:
	* engine.cc (exploded_graph::process_node): Show any description
	of the out-edge when logging it for consideration.

Signed-off-by: David Malcolm <dmalcolm@redhat.com>

diff --git a/gcc/analyzer/engine.cc b/gcc/analyzer/engine.cc
index 9ffcc41..4f7f9d0 100644 (file)
--- a/gcc/analyzer/engine.cc
+++ b/gcc/analyzer/engine.cc
@@ -3974,8 +3974,12 @@ exploded_graph::process_node (exploded_node *node)
          {
            found_a_superedge = true;
            if (logger)
-             logger->log ("considering SN: %i -> SN: %i",
-                          succ->m_src->m_index, succ->m_dest->m_index);
+             {
+               label_text succ_desc (succ->get_description (false));
+               logger->log ("considering SN: %i -> SN: %i (%s)",
+                            succ->m_src->m_index, succ->m_dest->m_index,
+                            succ_desc.get ());
+             }
 
            program_point next_point
              = program_point::before_supernode (succ->m_dest, succ,