Improve kernel-by-reference test

Signed-off-by: Mikhail Lychkov <[email protected]>

Author: mlychkov

clang/test/CodeGenSYCL/kernel-by-reference.cpp

@@ -15,15 +15,15 @@ int simple_add(int i) {
 int main() {
   queue q;
 #if defined(SYCL2020)
-  // expected-warning@Inputs/sycl.hpp:312 {{Passing kernel functions by value is deprecated in SYCL 2020}}
+  // expected-warning@Inputs/sycl.hpp:{{[0-9]+}} {{Passing kernel functions by value is deprecated in SYCL 2020}}
   // expected-note@+3 {{in instantiation of function template specialization}}
 #endif
   q.submit([&](handler &h) {
     h.single_task_2017<class sycl2017>([]() { simple_add(10); });
   });
 
 #if defined(SYCL2017)
-  // expected-warning@Inputs/sycl.hpp:307 {{Passing of kernel functions by reference is a SYCL 2020 extension}}
+  // expected-warning@Inputs/sycl.hpp:{{[0-9]+}} {{Passing of kernel functions by reference is a SYCL 2020 extension}}
   // expected-note@+3 {{in instantiation of function template specialization}}
 #endif
   q.submit([&](handler &h) {