diff options
| -rw-r--r-- | gcc/cp/class.c | 11 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/ext/packed11.C | 13 |
2 files changed, 20 insertions, 4 deletions
diff --git a/gcc/cp/class.c b/gcc/cp/class.c index 18996a0..550edff 100644 --- a/gcc/cp/class.c +++ b/gcc/cp/class.c @@ -2906,10 +2906,13 @@ check_field_decls (tree t, tree *access_decls, if (TYPE_PACKED (t)) { if (!pod_type_p (type) && !TYPE_PACKED (type)) - warning - (0, - "ignoring packed attribute on unpacked non-POD field %q+#D", - x); + { + warning + (0, + "ignoring packed attribute because of unpacked non-POD field %q+#D", + x); + TYPE_PACKED (t) = 0; + } else if (TYPE_ALIGN (TREE_TYPE (x)) > BITS_PER_UNIT) DECL_PACKED (x) = 1; } diff --git a/gcc/testsuite/g++.dg/ext/packed11.C b/gcc/testsuite/g++.dg/ext/packed11.C new file mode 100644 index 0000000..e75845d --- /dev/null +++ b/gcc/testsuite/g++.dg/ext/packed11.C @@ -0,0 +1,13 @@ +// PR c++/26670 + +struct nonpod { + nonpod(); +}; + +struct nonpod_pack { + nonpod n; // { dg-warning "ignoring packed attribute" } +} __attribute__ ((packed)); + +struct nonpod_pack2 { + nonpod_pack p; // { dg-warning "ignoring packed attribute" } +} __attribute__ ((packed)); |