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[Bug gcov-profile/51449] [4.7 regression] Rev181994 causes tramp3d-v4 profiled build failure
- From: "nathan at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 07 Dec 2011 20:35:18 +0000
- Subject: [Bug gcov-profile/51449] [4.7 regression] Rev181994 causes tramp3d-v4 profiled build failure
- Auto-submitted: auto-generated
- References: <bug-51449-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51449
Nathan Sidwell <nathan at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2011-12-07
Ever Confirmed|0 |1
--- Comment #2 from Nathan Sidwell <nathan at gcc dot gnu.org> 2011-12-07 20:35:18 UTC ---
Crud, not doing very well, am I? Here's a reduced testcase:
template <typename T> struct TPL
{
int Baz ();
int Foo ()
{
return Baz ();
}
};
extern template struct TPL<char>;
void Bar (TPL<char> *ptr)
{
ptr->Foo ();
}
nathan@cartagia:53>./cc1plus -fprofile-arcs tpl.ii -Ofast
nathan@cartagia:53>grep gcov0 tpl.s
addl $1, __gcov0__Z3BarP3TPLIcE
adcl $0, __gcov0__Z3BarP3TPLIcE+4
addl $1, __gcov0__ZN3TPLIcE3FooEv
adcl $0, __gcov0__ZN3TPLIcE3FooEv+4
addl $1, __gcov0__ZN3TPLIcE3FooEv+8
adcl $0, __gcov0__ZN3TPLIcE3FooEv+12
addl $1, __gcov0__Z3BarP3TPLIcE+8
adcl $0, __gcov0__Z3BarP3TPLIcE+12
.local __gcov0__Z3BarP3TPLIcE
.comm __gcov0__Z3BarP3TPLIcE,16,8
.long __gcov0__Z3BarP3TPLIcE
Notice __gcov0__ZN3TPLIcE3FooEv is referenced but not defined.