|  | // RUN: %clang_cc1 -std=c++20 %S/Inputs/cxx20-module-std-subst-2a.cpp -triple %itanium_abi_triple -emit-module-interface -o %t | 
|  | // RUN: %clang_cc1 -std=c++20 %s -triple %itanium_abi_triple -fmodule-file=%t -emit-llvm -o - | FileCheck %s | 
|  | module; | 
|  | # 5 __FILE__ 1 | 
|  | namespace std { | 
|  | template <typename A> struct char_traits {}; | 
|  | } // namespace std | 
|  | # 9 "" 2 | 
|  | export module Bar; | 
|  | import RenameString; | 
|  |  | 
|  | // Use Ss as this is global-module std::char_traits | 
|  | // CHECK-DAG: void @_ZW3Bar1gRSs( | 
|  | void g(str<char, std::char_traits<char>> &s) { | 
|  | } |