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| author | Martin Sebor <msebor@redhat.com> | 2021-02-01 08:42:58 -0700 |
|---|---|---|
| committer | Martin Sebor <msebor@redhat.com> | 2021-02-01 08:42:58 -0700 |
| commit | c2f8e378d64f65645e5f9c41a8221ca102c71208 (patch) | |
| tree | 4032647fd00bd3c0bfac72eae64517ceb317b925 | |
| parent | 7e534fb7d8256a605b6bdc12451d209af1bed329 (diff) | |
| download | gcc-c2f8e378d64f65645e5f9c41a8221ca102c71208.zip gcc-c2f8e378d64f65645e5f9c41a8221ca102c71208.tar.gz gcc-c2f8e378d64f65645e5f9c41a8221ca102c71208.tar.bz2 | |
Verify a warning for a class with a ref-qualified assignment (PR c++/98835).
gcc/testsuite/ChangeLog:
PR c++/98835
* g++.dg/Wclass-memaccess-6.C: New test.
| -rw-r--r-- | gcc/testsuite/g++.dg/Wclass-memaccess-6.C | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/Wclass-memaccess-6.C b/gcc/testsuite/g++.dg/Wclass-memaccess-6.C new file mode 100644 index 0000000..7f6fe03 --- /dev/null +++ b/gcc/testsuite/g++.dg/Wclass-memaccess-6.C @@ -0,0 +1,18 @@ +/* PR c++/98835 - -Wclass-memaccess with class with ref-qualified + copy-assignment operator + { dg-do compile { target { c++11 } } } + { dg-options "-Wall" } */ + +struct Bad +{ + Bad* operator& () { return this; } + Bad & operator=(Bad const &) & = default; +}; + +void test () +{ + static_assert (__has_trivial_copy (Bad)); + + // T () = T (); // error + __builtin_memcpy (&Bad (), &Bad (), sizeof (Bad)); // { dg-warning "\\\[-Wclass-memaccess" } +} |