https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83956
Bug ID: 83956
Summary: [8 regression] error: use of deleted function
‘{anonymous}::a::~a()’
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: skpgkp1 at gmail dot com
CC: hjl.tools at gmail dot com
Target Milestone: ---
This issue appear during HHVM build with GCC 8. GCC 7 works fine.
$ cat foo.cpp.i
namespace {
struct a {
~a() = delete;
};
struct b {
~b() {}
union {
a c;
};
};
}
$ g++ --version
g++ (GCC) 8.0.1 20180120 (experimental)
Copyright (C) 2018 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
$ g++ -O3 -o foo.cpp.o -c foo.cpp.i -w
foo.cpp.i: In destructor ‘{anonymous}::b::~b()’:
foo.cpp.i:6:8: error: use of deleted function ‘{anonymous}::a::~a()’
~b() {}
^
foo.cpp.i:3:3: note: declared here
~a() = delete;
^
Work fine with GCC 7.
$ g++ --version
g++ (GCC) 7.2.1 20180120
Copyright (C) 2017 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
$ g++ -O3 -o foo.cpp.o -c foo.cpp.i -w
$ echo $?
0
