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/* Check that we speculatively devirutalize call to FOO to B::foo becuase
A is noreturn. */
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-ipa-devirt-details -fdump-tree-optimized" } */
/* { dg-add-options bind_pic_locally } */
class A {
public:
virtual int foo(void)
{
throw (1);
return 0;
}
};
class B : public A {
public:
virtual int foo(void);
};
int
B::foo(void)
{
return 1;
}
class A a, *b=&a;
void
m(void)
{
b->foo();
}
int main()
{
m();
}
/* { dg-final { scan-ipa-dump "speculatively devirtualizing call" "devirt"} } */
/* Match if (PROF_6 == foo) to verify that the speculation survived. */
/* { dg-final { scan-tree-dump "== foo" "optimized"} } */
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