clang/test/CodeGenCXX/cxx20-module-std-subst-2b.cpp

   1 // RUN: %clang_cc1 -std=c++20 %S/Inputs/cxx20-module-std-subst-2a.cpp -triple %itanium_abi_triple -emit-module-interface -o %t
   2 // RUN: %clang_cc1 -std=c++20 %s -triple %itanium_abi_triple -fmodule-file=%t -emit-llvm -o - | FileCheck %s
   3
   4 export module Foo;
   5 import RenameString;
   6
   7 namespace std {
   8 template <typename T> struct char_traits {};
   9 } // namespace std
  10
  11 // use Sb mangling, not Ss as this is not global-module std::char_traits
  12 // std::char_traits.
  13 // CHECK-DAG: void @_ZW3Foo1fRSbIcStS_11char_traitsIcESaIcEE(
  14 void f(str<char, std::char_traits<char>> &s) {
  15 }