stack_usage1.adb: Replace -fstack-usage with -Wstack-usage.

	* gnat.dg/stack_usage1.adb: Replace -fstack-usage with -Wstack-usage.
	* gnat.dg/stack_usage1b.adb: Likewise.
	* gnat.dg/stack_usage1c.adb: Likewise.
	* gnat.dg/stack_usage3.adb: Likewise.
	* gnat.dg/stack_usage1_pkg.adb: Delete.

From-SVN: r261021

gcc/testsuite/ChangeLog

 2018-05-31  Eric Botcazou  <ebotcazou@adacore.com>
 
+	* gnat.dg/stack_usage1.adb: Replace -fstack-usage with -Wstack-usage.
+	* gnat.dg/stack_usage1b.adb: Likewise.
+	* gnat.dg/stack_usage1c.adb: Likewise.
+	* gnat.dg/stack_usage3.adb: Likewise.
+	* gnat.dg/stack_usage1_pkg.adb: Delete.
+
+2018-05-31  Eric Botcazou  <ebotcazou@adacore.com>
+
 	* gcc.dg/store_merging_10.c: Turn dg-do compile into dg-do run.
 	* gcc.dg/store_merging_11.c: Likewise.
 	* gcc.dg/store_merging_13.c: Likewise.

gcc/testsuite/gnat.dg/stack_usage1.adb

 -- { dg-do compile }
--- { dg-options "-fstack-usage" }
+-- { dg-options "-Wstack-usage=128" { target i?86-*-* x86_64-*-* } }
 
 with Stack_Usage1_Pkg; use Stack_Usage1_Pkg;
 
@@ -34,6 +34,3 @@ begin
    end case;
 
 end Stack_Usage1;
-
--- { dg-final { scan-stack-usage "\t\[0-9\]\[0-9\]\t" { target i?86-*-* x86_64-*-* } } }
--- { dg-final { cleanup-stack-usage } }

gcc/testsuite/gnat.dg/stack_usage1_pkg.adb

-package body Stack_Usage1_Pkg is
-
-   function Ident_Int (X : Integer) return Integer is
-   begin
-      return X;
-   end Ident_Int;
-
-   procedure My_Proc (X : R) is
-   begin
-      null;
-   end My_Proc;
-
-end Stack_Usage1_Pkg;

gcc/testsuite/gnat.dg/stack_usage1b.adb

 -- { dg-do compile }
--- { dg-options "-O -fstack-usage" }
+-- { dg-options "-O -Wstack-usage=128" { target i?86-*-* x86_64-*-* } }
 
 with Stack_Usage1_Pkg; use Stack_Usage1_Pkg;
 
@@ -34,6 +34,3 @@ begin
    end case;
 
 end Stack_Usage1b;
-
--- { dg-final { scan-stack-usage "\t\[0-9\]\[0-9\]\t" { target i?86-*-* x86_64-*-* } } }
--- { dg-final { cleanup-stack-usage } }

gcc/testsuite/gnat.dg/stack_usage1c.adb

 -- { dg-do compile }
--- { dg-options "-O2 -fstack-usage" }
+-- { dg-options "-O2 -Wstack-usage=128" { target i?86-*-* x86_64-*-* } }
 
 with Stack_Usage1_Pkg; use Stack_Usage1_Pkg;
 
@@ -34,6 +34,3 @@ begin
    end case;
 
 end Stack_Usage1c;
-
--- { dg-final { scan-stack-usage "\t\[0-9\]\[0-9\]\t" { target i?86-*-* x86_64-*-* } } }
--- { dg-final { cleanup-stack-usage } }

gcc/testsuite/gnat.dg/stack_usage3.adb

 -- { dg-do compile }
--- { dg-options "-O -fstack-usage" }
+-- { dg-options "-O -Wstack-usage=1024" }
 
 with Ada.Text_IO; use Ada.Text_IO;
 with Stack_Usage3_Pkg; use Stack_Usage3_Pkg;
@@ -27,6 +27,3 @@ begin
    Put_Line (Diag ("Diag line 19"));
    Put_Line (Diag ("Diag line 20"));
 end;
-
--- { dg-final { scan-stack-usage-not "\t\[0-9\]\[0-9\]\[0-9\]\[0-9\]\t" } }
--- { dg-final { cleanup-stack-usage } }