PR c++/12266

[deliverable/binutils-gdb.git] / gdb / python / py-type.c

diff --git a/gdb/python/py-type.c b/gdb/python/py-type.c
index 8ab18cfa82f1bd2cf09774da765ef3f8a28ba970..335342e4871bd3946128060f71c54ebb063bde10 100644 (file)
--- a/gdb/python/py-type.c
+++ b/gdb/python/py-type.c
@@ -577,8 +577,10 @@ typy_legacy_template_argument (struct type *type, struct block *block,
 {
   int i;
   struct demangle_component *demangled;
+  struct demangle_parse_info *info;
   const char *err;
   struct type *argtype;
+  struct cleanup *cleanup;
 
   if (TYPE_NAME (type) == NULL)
     {
@@ -587,12 +589,14 @@ typy_legacy_template_argument (struct type *type, struct block *block,
     }
 
   /* Note -- this is not thread-safe.  */
-  demangled = cp_demangled_name_to_comp (TYPE_NAME (type), &err);
-  if (! demangled)
+  info = cp_demangled_name_to_comp (TYPE_NAME (type), &err);
+  if (! info)
     {
       PyErr_SetString (PyExc_RuntimeError, err);
       return NULL;
     }
+  demangled = info->tree;
+  cleanup = make_cleanup_cp_demangled_name_parse_free (info);
 
   /* Strip off component names.  */
   while (demangled->type == DEMANGLE_COMPONENT_QUAL_NAME
@@ -601,6 +605,7 @@ typy_legacy_template_argument (struct type *type, struct block *block,
 
   if (demangled->type != DEMANGLE_COMPONENT_TEMPLATE)
     {
+      do_cleanups (cleanup);
       PyErr_SetString (PyExc_RuntimeError, _("Type is not a template."));
       return NULL;
     }
@@ -613,12 +618,14 @@ typy_legacy_template_argument (struct type *type, struct block *block,
 
   if (! demangled)
     {
+      do_cleanups (cleanup);
       PyErr_Format (PyExc_RuntimeError, _("No argument %d in template."),
                    argno);
       return NULL;
     }
 
   argtype = typy_lookup_type (demangled->u.s_binary.left, block);
+  do_cleanups (cleanup);
   if (! argtype)
     return NULL;