tree.h (tree_decl_with_vis): Add cxx_constructor, cxx_destructor.

	* tree.h (tree_decl_with_vis): Add cxx_constructor, cxx_destructor.
	(DECL_CXX_CONSTRUCTOR_P, DECL_CXX_DESTRUCTOR_P): New macros.
	* cp-tree.h (DECL_CONSTRUCTOR_P, DECL_DESTRUCTOR_P): Use
	middle-end flag.

From-SVN: r201994

1 files changed, 17 insertions, 1 deletions

diff --git a/gcc/tree.h b/gcc/tree.h
index 6092128..1492f6c 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -3232,8 +3232,12 @@ struct GTY(()) tree_decl_with_vis {
  /* Used by C++ only.  Might become a generic decl flag.  */
  unsigned shadowed_for_var_p : 1;
  /* Belong to FUNCTION_DECL exclusively.  */
+ unsigned cxx_constructor : 1;
+ /* Belong to FUNCTION_DECL exclusively.  */
+ unsigned cxx_destructor : 1;
+ /* Belong to FUNCTION_DECL exclusively.  */
  unsigned final : 1;
- /* 13 unused bits. */
+ /* 11 unused bits. */
 };
 
 extern tree decl_debug_expr_lookup (tree);
@@ -3483,6 +3487,18 @@ extern vec<tree, va_gc> **decl_debug_args_insert (tree);
 #define DECL_FUNCTION_VERSIONED(NODE)\
    (FUNCTION_DECL_CHECK (NODE)->function_decl.versioned_function)
 
+/* In FUNCTION_DECL, this is set if this function is a C++ constructor.
+   Devirtualization machinery uses this knowledge for determing type of the
+   object constructed.  Also we assume that constructor address is not
+   important.  */
+#define DECL_CXX_CONSTRUCTOR_P(NODE)\
+   (FUNCTION_DECL_CHECK (NODE)->decl_with_vis.cxx_constructor)
+
+/* In FUNCTION_DECL, this is set if this function is a C++ destructor.
+   Devirtualization machinery uses this to track types in destruction.  */
+#define DECL_CXX_DESTRUCTOR_P(NODE)\
+   (FUNCTION_DECL_CHECK (NODE)->decl_with_vis.cxx_destructor)
+
 /* In FUNCTION_DECL that represent an virtual method this is set when
    the method is final.  */
 #define DECL_FINAL_P(NODE)\