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-rw-r--r--gcc/testsuite/gnat.dg/old_errors.adb47
1 files changed, 47 insertions, 0 deletions
diff --git a/gcc/testsuite/gnat.dg/old_errors.adb b/gcc/testsuite/gnat.dg/old_errors.adb
new file mode 100644
index 000000000..a5e4d4217
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/old_errors.adb
@@ -0,0 +1,47 @@
+-- { dg-do compile }
+package body Old_Errors is
+
+ A : Integer;
+
+ function F
+ (X : Integer := A'Old) -- { dg-error "can only appear within subprogram" }
+ return Integer is
+ begin
+ return X;
+ end F;
+
+ procedure P (I : in Integer; O : out Integer; IO : in out Integer) is
+ Y : Integer := 0;
+ function G
+ (X : Integer := Y'Old) -- { dg-error "cannot refer to local variable" }
+ return Integer is
+ begin
+ return X;
+ end G;
+
+ function H (X : Integer := A'Old) return Integer is -- OK
+ begin
+ return X;
+ end H;
+
+ begin
+ Y := Y'Old; -- { dg-error "cannot refer to local variable" }
+ declare
+ Z : Integer := 0;
+ procedure Inner is
+ IL : Integer := 0;
+ begin
+ IL := IL'Old; -- { dg-error "cannot refer to local variable" }
+ Z := Z'Old; -- OK
+ end Inner;
+ begin
+ Y := Z'Old; -- { dg-error "cannot refer to local variable" }
+ end;
+ Y := I'Old; -- { dg-warning "Old applied to constant has no effect" }
+ Y := O'Old; -- OK
+ Y := IO'Old; -- OK
+ Y := G; -- OK, error has been signalled at G declaration
+ pragma Assert (G (3)'Old = Y); -- { dg-error "cannot refer to local variable" }
+ end P;
+
+end Old_Errors;