From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Tue, 25 Mar 2014 22:37:19 -0700 Subject: Initial checkin of GCC 4.9.0 from trunk (r208799). Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba --- gcc-4.9/gcc/testsuite/g++.dg/ext/packed2.C | 35 ++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/g++.dg/ext/packed2.C (limited to 'gcc-4.9/gcc/testsuite/g++.dg/ext/packed2.C') diff --git a/gcc-4.9/gcc/testsuite/g++.dg/ext/packed2.C b/gcc-4.9/gcc/testsuite/g++.dg/ext/packed2.C new file mode 100644 index 000000000..66f156bac --- /dev/null +++ b/gcc-4.9/gcc/testsuite/g++.dg/ext/packed2.C @@ -0,0 +1,35 @@ +// PR c++/10091 + +// Original synopsis +// Bug: We were dying because in general, B::a doesn't have enough +// alignment for us to take its address. But if the B is C::b, it does +// have enough alignment, and we should be able to determine that. + +// This only failed on STRICT_ALIGNMENT targets (i.e. not i686) + +// July 2003 +// packing of non-pods is now only allowed if the non-pod is itself +// packed. Also only such pods can be reference bound to non-consts + +struct A { + int i; + + A(); + A(const A&); + A& operator=(const A&); +} __attribute__ ((packed)); + +struct B { + A a; +} __attribute__ ((packed)); + +struct C { + B b; + int j; +}; + +void f (A&); +void g (C& c) +{ + f (c.b.a); +} -- cgit v1.2.3