PR10538: Use {...} for naming anonymous types

* tapsets.cxx (dwarf_type_name): Handle NULL dwarf_diename.

diff --git a/tapsets.cxx b/tapsets.cxx
index 3d38a3ce700df682b10a3c65b3ac95d571c7057f..aee0183559341ceb8ef536abf369c3d8968fe0b2 100644 (file)
--- a/tapsets.cxx
+++ b/tapsets.cxx
@@ -5604,7 +5604,9 @@ dwarf_type_name(Dwarf_Die& type_die, string& c_type)
     }
   if (done)
     {
-      c_type.append(dwarf_diename(&type_die));
+      // this follows gdb precedent that anonymous structs/unions
+      // are displayed as "struct {...}" and "union {...}".
+      c_type.append(dwarf_diename(&type_die) ?: "{...}");
       return true;
     }