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b3732bb3b7
a -cc1 option. The Darwin linker complains about mixed visibility when linking gcc-built objects with clang-built objects, and the optimization isn't really that valuable. Platforms with less ornery linkers can feel free to enable this. llvm-svn: 110979
34 lines
755 B
C++
34 lines
755 B
C++
// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
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// PR5697
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namespace PR5697 {
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struct A {
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virtual void f() { }
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A();
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A(int);
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};
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// A does not have a key function, so the first constructor we emit should
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// cause the vtable to be defined (without assertions.)
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// CHECK: @_ZTVN6PR56971AE = weak_odr constant
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A::A() { }
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A::A(int) { }
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}
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// Make sure that we don't assert when building the vtable for a class
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// template specialization or explicit instantiation with a key
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// function.
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template<typename T>
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struct Base {
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virtual ~Base();
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};
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template<typename T>
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struct Derived : public Base<T> { };
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template<>
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struct Derived<char> : public Base<char> {
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virtual void anchor();
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};
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void Derived<char>::anchor() { }
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