PR c++/88312 - pack expansion of decltype.
The standard doesn't really talk about an expression depending on the number of elements of a pack, but that's definitely an important form of template argument dependence. * pt.c (instantiation_dependent_r): A template non-type parameter pack is instantiation-dependent. From-SVN: r267860
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2019-01-11 Jason Merrill <jason@redhat.com>
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PR c++/88312 - pack expansion of decltype.
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* pt.c (instantiation_dependent_r): A template non-type parameter
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pack is instantiation-dependent.
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2019-01-11 Jason Merrill <jason@redhat.com>
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PR c++/88613 - ICE with use of const var in lambda.
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@ -25736,6 +25736,8 @@ instantiation_dependent_r (tree *tp, int *walk_subtrees,
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case TEMPLATE_PARM_INDEX:
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if (dependent_type_p (TREE_TYPE (*tp)))
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return *tp;
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if (TEMPLATE_PARM_PARAMETER_PACK (*tp))
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return *tp;
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/* We'll check value-dependence separately. */
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return NULL_TREE;
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// PR c++/88555
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// { dg-do compile { target c++11 } }
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template <class ...> struct T {};
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template <int ...Indices>
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void test() {
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using Test = T<decltype((Indices, char(0)))...>;
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}
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