Update metadirective_messages.cpp

Author: ravurvi20

clang/test/OpenMP/metadirective_messages.cpp

@@ -8,7 +8,7 @@ void foo() {
 #if _OPENMP >= 202111
   #pragma omp metadirective // omp52-error {{expected expression}}
     ;
-  #pragma omp metadirective when() // omp52-error {{expected valid context selector in when clause}} expected-error {{expected expression}} expected-warning {{expected identifier or string literal describing a context set; set skipped}} expected-note {{context set options are: 'construct' 'device' 'implementation' 'user'}} expected-note {{the ignored set spans until here}}
+  #pragma omp metadirective when() // omp52-error {{expected valid context selector in when clause}} expected-error {{expected expression}} expected-warning {{expected identifier or string literal describing a context set; set skipped}} expected-note {{context set options are: 'construct' 'device' 'target_device' 'implementation' 'user'}} expected-note {{the ignored set spans until here}}
     ;
   #pragma omp metadirective when(device{}) // omp52-warning {{expected '=' after the context set name "device"; '=' assumed}} expected-warning {{expected identifier or string literal describing a context selector; selector skipped}} expected-note {{context selector options are: 'kind' 'arch' 'isa'}} expected-note {{the ignored selector spans until here}} expected-error {{expected valid context selector in when clause}} expected-error {{expected expression}}
     ;