Viewing file:  pack-test-3.c (1.04 KB) -rw-r--r--
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/* { dg-do compile } */
/* Copyright (C) 2003 Free Software Foundation, Inc.
Contributed by Nathan Sidwell 15 Jul 2003 <nathan@codesourcery.com> */
/* you should not be able to pack a typedef to a struct, only the
underlying struct can be packed. */
/* ok */
struct u1
{
char field1;
short field2;
int field3;
};
/* ok */
typedef struct p1 {
char field1;
short field2;
int field3;
} __attribute__ ((packed)) p1_t1;
/* ok */
typedef struct __attribute__ ((packed)) p2 {
char field1;
short field2;
int field3;
} p2_t1;
int ary1[sizeof (struct p1) == sizeof (p1_t1) ? 1 : -1];
int ary2[sizeof (struct p2) == sizeof (p2_t1) ? 1 : -1];
int ary3[sizeof (struct p1) == sizeof (struct p2) ? 1 : -1];
/* not ok */
typedef struct u1 __attribute__ ((packed)) u1_t1; /* { dg-warning "attribute ignored" }*/
typedef struct u1 u1_t2 __attribute__ ((packed)); /* { dg-warning "attribute ignored" }*/
typedef struct p3 {
char field1;
short field2;
int field3;
} p3_t1 __attribute__ ((packed)); /* { dg-warning "attribute ignored" }*/
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