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47 lines
834 B
C++
47 lines
834 B
C++
struct A
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{
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virtual void foo();
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virtual void bar();
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};
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void A::foo() { } // keep
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void A::bar() { } // lose
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struct B : public A
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{
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virtual void foo();
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};
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void B::foo() { } // keep
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void _start() __asm__("_start"); // keep
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void start() __asm__("start"); // some toolchains use this name.
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A a; // keep
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B b;
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A *getme() { return &a; } // keep
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void _start()
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{
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getme()->foo();
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#ifdef __GNUC__
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#if (__GNUC__ == 2 && __GNUC_MINOR__ < 96)
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// gcc-2.95.2 gets this test wrong, and loses B::foo().
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// Cheat. After all, we aren't trying to test the compiler here.
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b.foo();
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#endif
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#endif
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}
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void start ()
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{
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_start ();
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}
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// In addition, keep A's virtual table.
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// We'll wind up keeping `b' and thus B's virtual table because
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// `a' and `b' are both referenced from the constructor function.
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extern "C" void __main() { }
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