[Ada] Fix missing minus sign in literal translation

gcc/ada/

	* sem_res.adb (Resolve): Insert minus sign if needed.

diff --git a/gcc/ada/sem_res.adb b/gcc/ada/sem_res.adb
index fb40484f2a6314ca692a5ed5e5355ae8309186a4..494904faa55b4419ec4ad24caa0f4646d14cd8af 100644 (file)
--- a/gcc/ada/sem_res.adb
+++ b/gcc/ada/sem_res.adb
@@ -2934,6 +2934,11 @@ package body Sem_Res is
                      else
                         UI_Image (Norm_Num (Expr_Value_R (Expr)), Decimal);
                         Start_String;
+
+                        if UR_Is_Negative (Expr_Value_R (Expr)) then
+                           Store_String_Chars ("-");
+                        end if;
+
                         Store_String_Chars
                           (UI_Image_Buffer (1 .. UI_Image_Length));
                         Param1 := Make_String_Literal (Loc, End_String);