2022-04-29  Jakub Jelinek  <jakub@redhat.com>

	* cfgexpand.cc (expand_debug_expr): Don't make_decl_rtl_for_debug
	if there is no symtab node for the VAR_DECL.

--- gcc/cfgexpand.cc.jj	2022-03-09 19:54:17.112284770 +0100
+++ gcc/cfgexpand.cc	2022-04-29 12:33:32.585363999 +0200
@@ -4565,7 +4565,8 @@ expand_debug_expr (tree exp)
 	      || !DECL_NAME (exp)
 	      || DECL_HARD_REGISTER (exp)
 	      || DECL_IN_CONSTANT_POOL (exp)
-	      || mode == VOIDmode)
+	      || mode == VOIDmode
+	      || symtab_node::get (exp) == NULL)
 	    return NULL;
 
 	  op0 = make_decl_rtl_for_debug (exp);