$ cat test.ii
# 1 "bad.h" 1
template <class A> struct MisplacedDbg;
# 1 "good.cc"
struct Arg;
typedef MisplacedDbg<Arg> Typedef;
template<typename T> struct Base {
virtual ~Base() {
}
};
template <class A> struct MisplacedDbg : public Base<int> {
};
static MisplacedDbg<Arg> static_var;
$ g++-4.6svn -c -g test.ii
$ objdump -d -l test.o|grep -B2 'bad.h:1'
0000000000000000 <_ZN12MisplacedDbgI3ArgEC1Ev>:
MisplacedDbg():
/home/jyasskin/tmp/bad.h:1
--
0000000000000000 <_ZN12MisplacedDbgI3ArgED1Ev>:
~MisplacedDbg():
/home/jyasskin/tmp/bad.h:1
$
This causes problems for Gold's ODR violation detector.
--
Summary: Generated constructors and destructors get wrong debug
location when a typedef uses a forward declaration of
the type before the definition
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jyasskin at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44641
