re PR c++/92992 (Side-effects dropped when decltype(nullptr) typed expression is passed to ellipsis)
PR c++/92992 * call.c (convert_arg_to_ellipsis): For decltype(nullptr) arguments that have side-effects use cp_build_compound_expr. * g++.dg/cpp0x/nullptr45.C: New test. From-SVN: r279680
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2019-12-20 Jakub Jelinek <jakub@redhat.com>
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PR c++/92992
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* call.c (convert_arg_to_ellipsis): For decltype(nullptr) arguments
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that have side-effects use cp_build_compound_expr.
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2019-12-20 Eric Botcazou <ebotcazou@adacore.com>
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* decl2.c (c_parse_final_cleanups): Always call collect_source_ref on
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@ -7822,7 +7822,12 @@ convert_arg_to_ellipsis (tree arg, tsubst_flags_t complain)
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arg = convert_to_real_nofold (double_type_node, arg);
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}
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else if (NULLPTR_TYPE_P (arg_type))
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arg = null_pointer_node;
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{
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if (TREE_SIDE_EFFECTS (arg))
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arg = cp_build_compound_expr (arg, null_pointer_node, complain);
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else
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arg = null_pointer_node;
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}
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else if (INTEGRAL_OR_ENUMERATION_TYPE_P (arg_type))
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{
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if (SCOPED_ENUM_P (arg_type))
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@ -1,3 +1,8 @@
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2019-12-20 Jakub Jelinek <jakub@redhat.com>
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PR c++/92992
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* g++.dg/cpp0x/nullptr45.C: New test.
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2019-12-20 Jonathan Wakely <jwakely@redhat.com>
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PR fortran/69497
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24
gcc/testsuite/g++.dg/cpp0x/nullptr45.C
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24
gcc/testsuite/g++.dg/cpp0x/nullptr45.C
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// PR c++/92992
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// { dg-do run { target c++11 } }
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int a;
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void
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bar (int, ...)
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{
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}
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decltype (nullptr)
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baz ()
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{
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a++;
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return nullptr;
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}
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int
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main ()
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{
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bar (0, baz ());
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if (a != 1)
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__builtin_abort ();
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}
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