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re PR c++/92965 ("note: 'x' is not public" emitted even when no error is emitted)

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PR c++/92965
	* pt.c (invalid_nontype_parm_type_p): Call structural_type_p with
	explain=true only if emitting error.

	* g++.dg/cpp2a/nontype-class27.C: New test.

From-SVN: r279684
This commit is contained in:
Jakub Jelinek 2019-12-21 00:21:21 +01:00 committed by Jakub Jelinek
parent b804bd89d3
commit 7731b8e6f4
4 changed files with 28 additions and 4 deletions
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4
gcc/cp/ChangeLog
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@ -1,5 +1,9 @@
2019-12-20 Jakub Jelinek <jakub@redhat.com>
PR c++/92965
* pt.c (invalid_nontype_parm_type_p): Call structural_type_p with
explain=true only if emitting error.
PR c++/92966
* method.c (early_check_defaulted_comparison): Don't set
DECL_MAYBE_DELETED when returning false.

10
gcc/cp/pt.c
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@ -25838,11 +25838,13 @@ invalid_nontype_parm_type_p (tree type, tsubst_flags_t complain)
return true;
if (!structural_type_p (type))
{
auto_diagnostic_group d;
if (complain & tf_error)
error ("%qT is not a valid type for a template non-type parameter "
"because it is not structural", type);
structural_type_p (type, true);
{
auto_diagnostic_group d;
error ("%qT is not a valid type for a template non-type "
"parameter because it is not structural", type);
structural_type_p (type, true);
}
return true;
}
return false;

3
gcc/testsuite/ChangeLog
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@ -1,5 +1,8 @@
2019-12-20 Jakub Jelinek <jakub@redhat.com>
PR c++/92965
* g++.dg/cpp2a/nontype-class27.C: New test.
PR c++/92966
* g++.dg/cpp2a/spaceship-eq8.C: New test.

15
gcc/testsuite/g++.dg/cpp2a/nontype-class27.C Normal file
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@ -0,0 +1,15 @@
// PR c++/92965
// { dg-do compile { target c++2a } }
template<int>
class TS {
int x; // { dg-bogus "is not public" }
public:
constexpr TS(int) {}
};
TS(int) -> TS<1>;
template<TS> void foo() {}
template<int> void foo() {}
void test() { foo<2>(); }