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// Check that destructors of memcpy-able struct members are called properly
// during stack unwinding after an exception.
//
// Check that destructor's argument (address of member to be destroyed) is
// obtained by taking offset from struct, not by bitcasting pointers.
//
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -O0 -fno-elide-constructors -emit-llvm %s -o - | FileCheck %s
struct ImplicitCopy {
int id;
ImplicitCopy() { id = 10; }
~ImplicitCopy() { id = 20; }
};
struct ThrowCopy {
int id;
ThrowCopy() { id = 15; }
ThrowCopy(const ThrowCopy &x) {
id = 25;
throw 1;
}
~ThrowCopy() { id = 35; }
};
struct Container {
int id;
ImplicitCopy o1;
ThrowCopy o2;
Container() { id = 1000; }
~Container() { id = 2000; }
};
int main() {
try {
Container c1;
// CHECK-LABEL: main
// CHECK: %{{.+}} = getelementptr inbounds %struct.Container, %struct.Container* %{{.+}}, i32 0, i32 1
// CHECK-NOT: %{{.+}} = bitcast %struct.Container* %{{.+}} to %struct.ImplicitCopy*
Container c2(c1);
return 2;
} catch (...) {
return 1;
}
return 0;
}
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