diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/pr15262-2.c')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/pr15262-2.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/pr15262-2.c b/gcc/testsuite/gcc.c-torture/execute/pr15262-2.c new file mode 100644 index 000000000..82e8aabd1 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/pr15262-2.c @@ -0,0 +1,37 @@ +/* PR 15262. Similar to pr15262-1.c but with no obvious addresses + being taken in function foo(). Without IPA, by only looking inside + foo() we cannot tell for certain whether 'q' and 'b' alias each + other. */ +struct A +{ + int t; + int i; +}; + +struct B +{ + int *p; + float b; +}; + +float X; + +foo (struct B b, struct A *q, float *h) +{ + X += *h; + *(b.p) = 3; + q->t = 2; + return *(b.p); +} + +main() +{ + struct A a; + struct B b; + + b.p = &a.t; + if (foo (b, &a, &X) == 3) + abort (); + + return 0; +} |