[Bug c++/108626] GCC doesn't deduplicate string literals for const char*const and const char[]

[de34 at live dot cn via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108626

--- Comment #9 from Jiang An <de34 at live dot cn> ---
See also CWG2753.
https://cplusplus.github.io/CWG/issues/2753.html