gdb: remove unused include, add forward declaration in dwarf2/parent-map.h

dwarf2_per_bfd is used but never declared in this file, forward-declare
it.

dwarf2/types.h is unused, according to clangd.

Change-Id: I324b68894008af20307030c9e36c5abe06e36a78

diff --git a/gdb/dwarf2/parent-map.h b/gdb/dwarf2/parent-map.h
index 91a8b8c2c88a831818e1798844560d1f41effd56..130098f4381dcb9ae0e5828ac0d4dd73afe2c7d6 100644 (file)
--- a/gdb/dwarf2/parent-map.h
+++ b/gdb/dwarf2/parent-map.h
@@ -21,10 +21,10 @@
 #define GDB_DWARF2_PARENT_MAP_H
 
 #include "addrmap.h"
-#include "dwarf2/types.h"
 #include "gdbsupport/gdb_obstack.h"
 
 class cooked_index_entry;
+struct dwarf2_per_bfd;
 
 /* A class that handles mapping from a DIE range to a parent
    entry.