* c-exp.y (DOTDOTDOT): New token.

	(func_mod, exp): Use parameter_typelist.
	(parameter_typelist): New production.
	(tokentab3): Add "..." token.
	* eval.c (make_params): Handle varargs.
	* gdbtypes.c (lookup_function_type_with_arguments): Handle
	varargs.
testsuite
	* gdb.base/whatis.exp: Add test.

1 files changed, 5 insertions, 0 deletions

diff --git a/gdb/eval.c b/gdb/eval.c
index 3d43406..13f997f 100644
--- a/gdb/eval.c
+++ b/gdb/eval.c
@@ -769,6 +769,11 @@ make_params (int num_types, struct type **param_types)
   TYPE_CODE (type) = TYPE_CODE_METHOD;
   TYPE_VPTR_FIELDNO (type) = -1;
   TYPE_CHAIN (type) = type;
+  if (num_types > 0 && param_types[num_types - 1] == NULL)
+    {
+      --num_types;
+      TYPE_VARARGS (type) = 1;
+    }
   TYPE_NFIELDS (type) = num_types;
   TYPE_FIELDS (type) = (struct field *)
     TYPE_ZALLOC (type, sizeof (struct field) * num_types);