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-rw-r--r--gcc/testsuite/gnat.dg/alignment2.adb47
1 files changed, 47 insertions, 0 deletions
diff --git a/gcc/testsuite/gnat.dg/alignment2.adb b/gcc/testsuite/gnat.dg/alignment2.adb
new file mode 100644
index 000000000..9f1be3c59
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/alignment2.adb
@@ -0,0 +1,47 @@
+-- { dg-do run }
+
+procedure alignment2 is
+
+ pragma COMPONENT_ALIGNMENT(STORAGE_UNIT);
+
+ MAX_LIST_SIZE : constant INTEGER := 128*16;
+
+ LEVEL2_SIZE : constant INTEGER := 128;
+
+ LEVEL1_SIZE : constant INTEGER
+ := (MAX_LIST_SIZE - 1) / LEVEL2_SIZE + 1;
+
+ type LEVEL2_ARRAY_TYPE is
+ array (1..LEVEL2_SIZE) of Integer;
+
+ type LEVEL2_TYPE is
+ record
+ NUM : INTEGER := 0;
+ DATA : LEVEL2_ARRAY_TYPE := ( others => 0 );
+ end record;
+
+ type LEVEL2_PTR_TYPE is access all LEVEL2_TYPE;
+
+ type LEVEL1_ARRAY_TYPE is
+ array( 1..LEVEL1_SIZE ) of LEVEL2_PTR_TYPE;
+
+ type LEVEL1_TYPE is
+ record
+ LAST_LINE : INTEGER := 0;
+ LEVEL2_PTR : LEVEL1_ARRAY_TYPE;
+ end record;
+
+ L1 : LEVEL1_TYPE;
+ L2 : aliased LEVEL2_TYPE;
+
+ procedure q (LA : in out LEVEL1_ARRAY_TYPE) is
+ begin
+ LA (1) := L2'Access;
+ end;
+
+begin
+ q (L1.LEVEL2_PTR);
+ if L1.LEVEL2_PTR (1) /= L2'Access then
+ raise Program_Error;
+ end if;
+end;