diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index b438b06..c3738b9 100644
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -4480,6 +4480,8 @@ finish_decl (tree decl, location_t init_loc, tree init,
 	       && C_TYPE_FIELDS_READONLY (type))
 	diagnose_uninitialized_cst_member (decl, type);
     }
+
+  invoke_plugin_callbacks(PLUGIN_FINISH_DECL, decl);
 }
 
 /* Given a parsed parameter declaration, decode it into a PARM_DECL.  */
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index 6a13cc4..9752cf4 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -6147,6 +6147,8 @@ cp_finish_decl (tree decl, tree init, bool init_const_expr_p,
 
   if (was_readonly)
     TREE_READONLY (decl) = 1;
+
+  invoke_plugin_callbacks(PLUGIN_FINISH_DECL, decl);
 }
 
 /* Returns a declaration for a VAR_DECL as if:
diff --git a/gcc/doc/plugins.texi b/gcc/doc/plugins.texi
index 767cee8..d989ddd 100644
--- a/gcc/doc/plugins.texi
+++ b/gcc/doc/plugins.texi
@@ -153,6 +153,7 @@ enum plugin_event
   PLUGIN_FINISH_TYPE,           /* After finishing parsing a type.  */
   PLUGIN_FINISH_UNIT,           /* Useful for summary processing.  */
   PLUGIN_PRE_GENERICIZE,        /* Allows to see low level AST in C and C++ frontends.  */
+  PLUGIN_FINISH_DECL,           /* Allows to see all declarations in C and C++ frontends. */
   PLUGIN_FINISH,                /* Called before GCC exits.  */
   PLUGIN_INFO,                  /* Information about the plugin. */
   PLUGIN_GGC_START,             /* Called at start of GCC Garbage Collection. */
diff --git a/gcc/plugin.c b/gcc/plugin.c
index c93daed..f65e54a 100644
--- a/gcc/plugin.c
+++ b/gcc/plugin.c
@@ -423,6 +423,7 @@ register_callback (const char *plugin_name,
       case PLUGIN_START_UNIT:
       case PLUGIN_FINISH_UNIT:
       case PLUGIN_PRE_GENERICIZE:
+      case PLUGIN_FINISH_DECL:
       case PLUGIN_GGC_START:
       case PLUGIN_GGC_MARKING:
       case PLUGIN_GGC_END:
@@ -499,6 +500,7 @@ invoke_plugin_callbacks_full (int event, void *gcc_data)
       case PLUGIN_START_UNIT:
       case PLUGIN_FINISH_UNIT:
       case PLUGIN_PRE_GENERICIZE:
+      case PLUGIN_FINISH_DECL:
       case PLUGIN_ATTRIBUTES:
       case PLUGIN_PRAGMAS:
       case PLUGIN_FINISH:
diff --git a/gcc/plugin.def b/gcc/plugin.def
index 4a40c2c..4f8ad08 100644
--- a/gcc/plugin.def
+++ b/gcc/plugin.def
@@ -30,6 +30,9 @@ DEFEVENT (PLUGIN_FINISH_UNIT)
 /* Allows to see low level AST in C and C++ frontends. */
 DEFEVENT (PLUGIN_PRE_GENERICIZE)
 
+/* Allows to see all declarations in C and C++ frontends. */
+DEFEVENT (PLUGIN_FINISH_DECL)
+
 /* Called before GCC exits.  */
 DEFEVENT (PLUGIN_FINISH)