diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/pack-test-3.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pack-test-3.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pack-test-3.c b/gcc/testsuite/gcc.dg/pack-test-3.c new file mode 100644 index 000000000..8b0390378 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pack-test-3.c @@ -0,0 +1,44 @@ +/* { 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" "" }*/ + |