https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77945
Ville Voutilainen <ville.voutilainen at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jason at redhat dot com, | |ville.voutilainen at gmail dot com --- Comment #4 from Ville Voutilainen <ville.voutilainen at gmail dot com> --- Another test: struct T { int x = 0; bool y = 0; constexpr T() {} }; int main() { constexpr T t = (T{} = T{}); } prog.cc: In function 'int main()': prog.cc:10:31: error: accessing value of '<anonymous>' through a 'char [5]' glvalue in a constant expression constexpr T t = (T{} = T{}); ^ That looks rather bad.