[clang][Tooling] Add mapping for make_error_code

Differential Revision: https://reviews.llvm.org/D154473

clang/lib/Tooling/Inclusions/Stdlib/StdSpecialSymbolMap.inc

@@ -347,6 +347,11 @@ SYMBOL(atomic_wchar_t, None, <stdatomic.h>)
 // which is tricky to disambiguate without type information.
 // Don't set any header for it, as it comes with the type header.
 SYMBOL(get, std::, /*no headers*/)
+// Similarly make_error_{code,condition} also have different overloads (errc,
+// io_errc, future_errc) and each of them are provided by relevant headers
+// providing the type.
+SYMBOL(make_error_code, std::, /*no headers*/)
+SYMBOL(make_error_condition, std::, /*no headers*/)
 
 // cppreference symbol index page was missing these symbols.
 // Remove them when the cppreference offline archive catches up.