https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83342
Haonan Chen <phychn at stu dot xmu.edu.cn> changed:
What |Removed |Added
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CC| |phychn at stu dot xmu.edu.cn
--- Comment #3 from Haonan Chen <phychn at stu dot xmu.edu.cn> ---
(In reply to Olivier Kannengieser from comment #2)
> Whit gcc 8.2, there is no more bug for constant template variables. But
> compilation produces undefined symbol error at linking phase if variables
> templates are non const:
>
> template<class T>
> extern T value4;
> template<class T>
> T value4= 0;
>
> auto test4 = value4<int>; //linking phase error: undefined symbol value4<int>
>
> template<class T>
> extern T value5;
> template<class T>
> inline T value5=0;
>
> auto test5 = value5<int>; //linking phase error: undefined symbol value5<int>
>
>
> There are no error with Clang.
The bug is still there in gcc 10.1.0.
