Lldb-vscode cant parse std::string("a")

Hello,

seems like a simple REPL fails to compile: std::string("a").
With empty constructor it works.

expression failed to parse:
error: <user expression 2>:1:2: no matching conversion for functional-style cast from 'const char[2]' to 'std::string' (aka 'std::basic_string<char, std::char_traits<char>, std::allocator<char>>')
 std::string("a")
 ^~~~~~~~~~~~~~~
note: candidate constructor not viable: no known conversion from 'const char[2]' to 'std::initializer_list<char>' for 1st argument

note: candidate constructor not viable: no known conversion from 'const char[2]' to 'std::basic_string<char, std::char_traits<char>, std::allocator<char>>' for 1st argument

note: candidate constructor not viable: no known conversion from 'const char[2]' to 'const std::basic_string<char, std::char_traits<char>, std::allocator<char>>' for 1st argument

note: candidate constructor not viable: no known conversion from 'const char[2]' to 'const std::basic_string<char, std::char_traits<char>, std::allocator<char>>::allocator_type' (aka 'const std::allocator<char>') for 1st argument