Index: gcc/c/c-decl.cc
--- gcc/c/c-decl.cc.orig
+++ gcc/c/c-decl.cc
@@ -6719,6 +6719,8 @@ warn_variable_length_array (tree name, tree size)
 	pedwarn_c90 (input_location, OPT_Wvla, "ISO C90 forbids variable "
 		     "length array");
     }
+    if (warn_variable_decl)
+      warning (OPT_Wvariable_decl, "variable-sized array %qE", name);
 }
 
 /* Returns the smallest location != UNKNOWN_LOCATION in LOCATIONS,
