diff options
| author | no-author <no-author@gcc.gnu.org> | 2004-09-28 17:08:09 +0000 |
|---|---|---|
| committer | no-author <no-author@gcc.gnu.org> | 2004-09-28 17:08:09 +0000 |
| commit | 335df4f569e29d1ad3db4c42a38b1af09995f023 (patch) | |
| tree | 17c3281a836116d4e0457d5c4db2ef28ee5b678f /gcc/testsuite/gcc.dg/pr17112-1.c | |
| parent | f6f998ce577e698595b435e81728bdcddce125c3 (diff) | |
This commit was manufactured by cvs2svn to create branch
'structure-aliasing-branch'.
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/structure-aliasing-branch@88235 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr17112-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr17112-1.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr17112-1.c b/gcc/testsuite/gcc.dg/pr17112-1.c new file mode 100644 index 00000000000..7c8b7aa0432 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr17112-1.c @@ -0,0 +1,32 @@ +/* PR middle-end/17112 */ +/* { dg-do run } */ +/* { dg-options "-O2" } */ + +extern void abort(void); + +typedef struct { + int int24:24 __attribute__ ((packed)); +} myint24; + +myint24 x[3] = { + 0x123456, + 0x789abc, + 0xdef012 +}; + +myint24 y[3]; // starts out as zeros + +void foo() +{ + y[1] = x[1]; +} + +int main() +{ + foo(); + + if (y[0].int24 != 0 || y[2].int24 != 0) + abort(); + return 0; +} + |