[Ada] Remove duplicates of empty strings
authorPiotr Trojanek <trojanek@adacore.com>
Thu, 2 Dec 2021 14:30:36 +0000 (15:30 +0100)
committerPierre-Marie de Rodat <derodat@adacore.com>
Thu, 6 Jan 2022 17:11:33 +0000 (17:11 +0000)
commit337417795afd624c479c49529a935ee096700457
tree050b7adf1a0ab7b8ea116b74152657db1858cbeb
parent7f08c075994ac37172ff31f6633d6310d5327090
[Ada] Remove duplicates of empty strings

gcc/ada/

* par-ch4.adb (P_Simple_Expression): Reuse Null_String_Id.
* prep.adb (Parse_Def_File): Likewise; remove Empty_String.
gcc/ada/par-ch4.adb
gcc/ada/prep.adb