https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81932
--- Comment #17 from Xi Ruoyao <ryxi at stu dot xidian.edu.cn> --- (In reply to Martin Sebor from comment #15) > (In reply to Xi Ruoyao from comment #14) > > The symbols in your example are the result/ouput of demangling but the issue > reported here is with the symbols that are input into GDB. There is more > than one way to represent the same specialization of a template (e.g., > B<unsigned> and B<unsigned int>, or A<2> and A<2u>, or even A<1 + 1>). GDB > should be able to accept all of them and recognize they all refer to the > same specialization. Well, then GDB would have to own a C++ name parser! Before GDB implement this, how about generate a "secondary" debug symbol with type suffixes, along with the "normal" one without them? It would give backward compatibility.
