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295b0008e4
Fix Issue 23957 - Casting to derived extern(C++) class is unsafe Signed-off-by: Nicholas Wilson <thewilsonator@users.noreply.github.com> Merged-on-behalf-of: Nicholas Wilson <thewilsonator@users.noreply.github.com>
18 lines
442 B
D
18 lines
442 B
D
// See also: fail20000.d
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/*
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REQUIRED_ARGS: -de
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TEST_OUTPUT:
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---
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fail_compilation/cpp_cast.d(16): Deprecation: cast from `cpp_cast.C` to `cpp_cast.D` not allowed in safe code
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fail_compilation/cpp_cast.d(16): No dynamic type information for extern(C++) classes
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---
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*/
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extern(C++) class C { void f() { } }
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extern(C++) class D : C { }
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void main() @safe
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{
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C c;
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c = cast(D) new C; // reinterpret cast
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c = cast(C) new D; // OK
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}
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