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c++: add fixed test [PR91079]

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Fixed by r12-2975.

	PR c++/91079
	DR 1881

gcc/testsuite/ChangeLog:

	* g++.dg/ext/is_std_layout5.C: New test.
This commit is contained in:
Marek Polacek 2024-04-05 13:40:33 -04:00
parent e7d015b250
commit 2b2d3a135a
1 changed files with 13 additions and 0 deletions
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gcc/testsuite/g++.dg/ext/is_std_layout5.C Normal file
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// PR c++/91079
// DR 1881 - Standard-layout classes and unnamed bit-fields
// { dg-do compile { target c++11 } }
struct A { int a : 4; };
struct B : A { int b : 3; };
static_assert(__is_standard_layout(A), "");
static_assert(!__is_standard_layout(B), "");
struct C { int : 0; };
struct D : C { int : 0; };
static_assert(__is_standard_layout(C), "");
static_assert(!__is_standard_layout(D), "");