Use StringRef UDL for more string literals when expanding macros

* for the name of the listener when registering listener
* for the original expression in assertion macros

src/catch2/internal/catch_test_macro_impl.hpp

@@ -23,9 +23,9 @@
 #if !defined(CATCH_CONFIG_DISABLE)
 
 #if !defined(CATCH_CONFIG_DISABLE_STRINGIFICATION)
-  #define CATCH_INTERNAL_STRINGIFY(...) #__VA_ARGS__
+  #define CATCH_INTERNAL_STRINGIFY(...) #__VA_ARGS__##_catch_sr
 #else
-  #define CATCH_INTERNAL_STRINGIFY(...) "Disabled by CATCH_CONFIG_DISABLE_STRINGIFICATION"
+  #define CATCH_INTERNAL_STRINGIFY(...) "Disabled by CATCH_CONFIG_DISABLE_STRINGIFICATION"_catch_sr
 #endif
 
 #if defined(CATCH_CONFIG_FAST_COMPILE) || defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)

src/catch2/reporters/catch_reporter_registrars.hpp

@@ -118,7 +118,7 @@ namespace Catch {
         CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS                               \
         namespace {                                                            \
             Catch::ListenerRegistrar<listenerType> INTERNAL_CATCH_UNIQUE_NAME( \
-                catch_internal_RegistrarFor )( #listenerType );                \
+                catch_internal_RegistrarFor )( #listenerType##_catch_sr );     \
         }                                                                      \
         CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION