diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr41935.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/pr41935.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr41935.c b/gcc/testsuite/gcc.dg/pr41935.c new file mode 100644 index 000000000..e6a1b2867 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr41935.c @@ -0,0 +1,25 @@ +/* PR middle-end/41935 */ +/* { dg-do run } */ +/* { dg-options "-O2" } */ + +extern void abort (void); +struct A { int a; int b[10]; }; + +int +foo (struct A *p) +{ + return __builtin_offsetof (struct A, b[p->a]); +} + +int +main () +{ + struct A a; + a.a = 7; + if (foo (&a) != 7 * sizeof (int) + __builtin_offsetof (struct A, b)) + abort (); + a.a = 2; + if (foo (&a) != 2 * sizeof (int) + __builtin_offsetof (struct A, b)) + abort (); + return 0; +} |