[RFC v2][PR symtab/30520] gdb/symtab: fix the gdb.cp/anon-struct test

[Dmitry Neverov <dmitry.neverov@jetbrains.com>]

The symbol_name_match_type::SEARCH_NAME cannot be used because
demangle_for_lookup_info doesn't initialize a demangled name
for it which makes a subsequent name matching to fail.
---
 gdb/dwarf2/read.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gdb/dwarf2/read.c b/gdb/dwarf2/read.c
index 08a834e141b..3f1d2e9a813 100644
--- a/gdb/dwarf2/read.c
+++ b/gdb/dwarf2/read.c
@@ -16644,7 +16644,7 @@ cooked_index_functions::expand_symtabs_matching
       segment_lookup_names.reserve (name_vec.size ());
       for (auto &segment_name : name_str_vec) {
 	segment_lookup_names.emplace_back (
-	  segment_name, symbol_name_match_type::SEARCH_NAME, completing, true);
+	  segment_name, symbol_name_match_type::FULL, completing, true);
       }
 
       for (const cooked_index_entry *entry : table->find (name_str_vec.back (),
-- 
2.39.2