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Here tsubst_baselink was returning error_mark_node silently despite tf_error; we need to actually give an error. PR c++/120204 gcc/cp/ChangeLog: * pt.cc (tsubst_baselink): Always error if lookup fails. gcc/testsuite/ChangeLog: * g++.dg/cpp1y/constexpr-recursion3.C: New test.
16 lines
445 B
C
16 lines
445 B
C
// PR c++/120204
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// { dg-do compile { target c++14 } }
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template<class T, int t>
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struct array{};
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template <typename... TArgs> struct ILEArglist {
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using Sizes = array<int, sizeof...(TArgs)>;
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static constexpr int size() { // { dg-bogus "not usable" }
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Sizes &offsets_c = offsets; // { dg-error "depends on itself" }
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return 0;
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}
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array<char, size()> offsets(); // { dg-error "constant expression" }
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};
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auto arglist = ILEArglist<>();
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