http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45923
--- Comment #8 from Benjamin Kosnik <bkoz at gcc dot gnu.org> 2010-11-03 20:55:42 UTC --- Created attachment 22268 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22268 constexpr diagnostics test case #04 This is just a test case for previously-reported-and fixed bug. Let's keep it around to avoid regressions. %$bin/H-x86_64-gcc-trunk/bin/g++ -c -std=gnu++0x constexpr-diagnostics-initalizer1.cc constexpr-diagnostics-initalizer1.cc: In function ‘int main()’: constexpr-diagnostics-initalizer1.cc:21:21: in constexpr expansion of ‘A((* & a1))’ constexpr-diagnostics-initalizer1.cc:21:21: error: the value of ‘a1’ is not usable in a constant expression constexpr-diagnostics-initalizer1.cc:20:13: note: ‘a1’ was not declared ‘constexpr’ What we really need is the last line, the note: 'a1' was not declared constexpr
