re PR debug/12066 (g++ generates stabs for "char *" that gdb cannot read)

	PR debug/12066
	* dbxout.c (dbxout_init): Use a langhook to find builtin types.
	* langhooks-def.h (lhd_return_null_tree_v): New function.
	(LANG_HOOKS_BUILTIN_TYPE_DECLS): New macro.
	(LANG_HOOKS_DECLS): Add it to the intializer.
	* langhooks.c (lhd_return_null_tree_v): New function.
	* langhooks.h (lang_hooks_for_decls): Add builtin_type_decls.


	PR debug/12066
	* cp-lang.c (LANG_HOOKS_BUILTIN_TYPE_DECLS): Define.
	* cp-tree.h (cxx_builtin_type_decls): Declare.
	* decl.c (builtin_type_decls): New variables.
	(cxx_builtin_type_decls): New function.
	(record_builtin_type): Add to builtin_type_decls.

From-SVN: r71478

1 files changed, 19 insertions, 0 deletions

diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index 92e8597..8676698 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -5911,6 +5911,19 @@ lookup_type_current_level (tree name)
 }
 
 
+
+/* A chain of TYPE_DECLs for the builtin types.  */
+
+static GTY(()) tree builtin_type_decls;
+
+/* Return a chain of TYPE_DECLs for the builtin types.  */
+
+tree
+cxx_builtin_type_decls ()
+{
+  return builtin_type_decls;
+}
+
 /* Push the declarations of builtin types into the namespace.
    RID_INDEX is the index of the builtin type in the array
    RID_POINTERS.  NAME is the name used when looking up the builtin
@@ -5952,6 +5965,12 @@ record_builtin_type (enum rid rid_index,
 
   if (!TYPE_NAME (type))
     TYPE_NAME (type) = tdecl;
+
+  if (tdecl)
+    {
+      TREE_CHAIN (tdecl) = builtin_type_decls;
+      builtin_type_decls = tdecl;
+    }
 }
 
 /* Record one of the standard Java types.