Index: lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
===================================================================
--- lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
+++ lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
@@ -828,6 +828,11 @@
   SymbolFileDWARF *dwarf = die.GetDWARF();
   const dw_tag_t tag = die.Tag();
 
+  if (tag == DW_TAG_subprogram && !attrs.name) {
+    LLDB_LOGF(log, "Parsing a Subprogram that has no name");
+    assert(false && "Subprograms require a name");
+  }
+
   bool is_variadic = false;
   bool is_static = false;
   bool has_template_params = false;