"Changes of default constructor" build failure(s) — clang 3.6.0

This code is a defect of the C++ standard:
http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_active.html#1344
class foo {
    int a;
    foo(int);
};

foo::foo(int c = 5) : a(c) {

}

PackageVersionSupposed error messageFull log Bug report
bzflag 2.4.2+ds1-5../../include/VotingArbiter.h:234:56: error: addition of default argument on redeclaration makes this constructor a default constructor Log 753262
eiskaltdcpp 2.2.9-3HubFrame.cpp:775:29: error: addition of default argument on redeclaration makes this constructor a default constructor Log 753266
gem 1:0.93.3-8gemlist_info.cpp:37:42: error: addition of default argument on redeclaration makes this constructor a default constructor Log
gtkguitune 0.8-6lcdview.cc:26:31: error: addition of default argument on redeclaration makes this constructor a default constructor Log
kbibtex 0.4-4websearchabstract.cpp:69:63: error: addition of default argument on redeclaration makes this constructor a default constructor Log 753270
linpsk 1.1-1.1../../src/csound.cpp:23:22: error: addition of default argument on redeclaration makes this constructor a default constructor Log 753272
polygraph 4.3.2-1.2PglIntSym.cc:27:20: error: addition of default argument on redeclaration makes this constructor a default constructor Log 753274
ucimf-openvanilla 2.10.11-2openvanilla.cpp:32:33: error: addition of default argument on redeclaration makes this constructor a default constructor Log 753337
wicd-kde 0.3.1-1networkplotter.cpp:28:47: error: addition of default argument on redeclaration makes this constructor a default constructor Log 753339
zaz 1.0.0~dfsg1-3mixer.cpp:26:24: error: addition of default argument on redeclaration makes this constructor a default constructor Log 753340

10 errors