[committed] testsuite: Mark extra warnings for default_packed

[Dimitar Dimitrov]

If the target uses packed structs by default, there are no trailing
padding bytes allocated.  Hence extra warnings are emitted.

Committed as obvious.

gcc/testsuite/ChangeLog:

        * gcc.dg/Warray-bounds-48-novec.c: Add expected warnings
        if target packs the structs by default.

Signed-off-by: Dimitar Dimitrov <dimi...@dinux.eu>
---
 gcc/testsuite/gcc.dg/Warray-bounds-48-novec.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/gcc/testsuite/gcc.dg/Warray-bounds-48-novec.c 
b/gcc/testsuite/gcc.dg/Warray-bounds-48-novec.c
index da179a2c0f5..5cae8566209 100644
--- a/gcc/testsuite/gcc.dg/Warray-bounds-48-novec.c
+++ b/gcc/testsuite/gcc.dg/Warray-bounds-48-novec.c
@@ -238,15 +238,17 @@ static void warn_a1_init (struct A1 *p)
 
 static void warn_a1_local_buf (struct A1 *p)
 {
-  p->a1[0] = 0; p->a1[1] = 1; p->a1[2] = 2; p->a1[3] = 3;
+  p->a1[0] = 0; p->a1[1] = 1; p->a1[2] = 2;
 
+  p->a1[3] = 3;            // { dg-warning "\\\[-Warray-bounds" "" { target 
default_packed } }
   p->a1[4] = 4;     // { dg-warning "\\\[-Warray-bounds" }
 }
 
 static void warn_a1_extern_buf (struct A1 *p)
 {
-  p->a1[0] = 0; p->a1[1] = 1; p->a1[2] = 2; p->a1[3] = 3; p->a1[4] = 4;
+  p->a1[0] = 0; p->a1[1] = 1; p->a1[2] = 2; p->a1[3] = 3;
 
+  p->a1[4] = 4;            // { dg-warning "\\\[-Warray-bounds" "" { target 
default_packed } }
   p->a1[5] = 5;     // { dg-warning "\\\[-Warray-bounds" }
 }
 
-- 
2.36.1