1 // RUN: %clang -g -std=c++2a -target x86_64-windows-msvc -Wno-gnu-string-literal-operator-template %s -S -emit-llvm -o - | FileCheck %s
2 
3 template <typename T, T... cs> struct check;
operator ""_x()4 template <typename T, T... str> int operator""_x() {
5   return 1;
6 }
7 
8 int b = u8"\"тест_��"_x;
9 // CHECK: _x<char8_t,34,209,130,208,181,209,129,209,130,95,240,144,128,128>
10