d469794d0c was fixing an issue with
triggering vtable instantiations, but it accidentally introduced
infinite recursion when the type to be checked is the same as the type
used in a base specifier or field declaration.
Fixes #104802
48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
// RUN: %clang_cc1 -std=c++23 -fsyntax-only -verify %s
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template <typename T> static void destroy() {
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T t;
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++t;
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}
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struct Incomplete;
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template <typename = int> struct HasD {
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~HasD() { destroy<Incomplete*>(); }
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};
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struct HasVT {
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virtual ~HasVT();
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};
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struct S : HasVT {
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HasD<> v;
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};
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// Ensure we don't get infinite recursion from the check, however. See GH104802
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namespace GH104802 {
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class foo { // expected-note {{definition of 'GH104802::foo' is not complete until the closing '}'}}
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foo a; // expected-error {{field has incomplete type 'foo'}}
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virtual int c();
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};
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class bar { // expected-note {{definition of 'GH104802::bar' is not complete until the closing '}'}}
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const bar a; // expected-error {{field has incomplete type 'const bar'}}
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virtual int c();
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};
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class baz { // expected-note {{definition of 'GH104802::baz' is not complete until the closing '}'}}
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typedef class baz blech;
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blech a; // expected-error {{field has incomplete type 'blech' (aka 'GH104802::baz')}}
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virtual int c();
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};
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class quux : quux { // expected-error {{base class has incomplete type}} \
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expected-note {{definition of 'GH104802::quux' is not complete until the closing '}'}}
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virtual int c();
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};
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}
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