re PR c++/92414 (internal compiler error: tree check: expected constructor, have error_mark in cxx_eval_store_expression, at cp/constexpr.c:4009)
PR c++/92414 * constexpr.c (cxx_eval_outermost_constant_expr): If DECL_INITIAL on object is erroneous, return t without trying to evaluate a constexpr dtor. * g++.dg/cpp2a/constexpr-dtor4.C: New test. From-SVN: r278468
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2019-11-19 Jakub Jelinek <jakub@redhat.com>
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PR c++/92414
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* constexpr.c (cxx_eval_outermost_constant_expr): If DECL_INITIAL
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on object is erroneous, return t without trying to evaluate
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a constexpr dtor.
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2019-11-12 Jason Merrill <jason@redhat.com>
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* call.c (same_fn_or_template): Change to cand_parms_match.
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@ -5834,6 +5834,8 @@ cxx_eval_outermost_constant_expr (tree t, bool allow_non_constant,
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gcc_assert (object && VAR_P (object));
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gcc_assert (DECL_DECLARED_CONSTEXPR_P (object));
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gcc_assert (DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P (object));
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if (error_operand_p (DECL_INITIAL (object)))
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return t;
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ctx.ctor = unshare_expr (DECL_INITIAL (object));
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TREE_READONLY (ctx.ctor) = false;
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/* Temporarily force decl_really_constant_value to return false
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@ -1,9 +1,14 @@
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2019-11-19 Jakub Jelinek <jakub@redhat.com>
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PR c++/92414
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* g++.dg/cpp2a/constexpr-dtor4.C: New test.
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2019-11-19 Dragan Mladjenovic <dmladjenovic@wavecomp.com>
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* gcc.target/mips/msa-ds.c: New test.
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2019-11-19 Richard Sandiford <richard.sandiford@arm.com>
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gcc/
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Revert:
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2019-11-18 Richard Sandiford <richard.sandiford@arm.com>
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// PR c++/92414
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// { dg-do compile { target c++2a } }
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struct A { virtual void foo (); };
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struct B : A {
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constexpr B (int); // { dg-warning "used but never defined" }
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constexpr ~B () { }
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};
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struct D : B {
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constexpr D () : B (42) { } // { dg-error "used before its definition" }
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};
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constexpr D d; // { dg-message "in 'constexpr' expansion of" }
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