[OPENMP] Initial parsing and sema analysis for 'final' clause.

llvm-svn: 213232
diff --git a/clang/test/OpenMP/task_final_messages.cpp b/clang/test/OpenMP/task_final_messages.cpp
new file mode 100644
index 0000000..0b52e6a
--- /dev/null
+++ b/clang/test/OpenMP/task_final_messages.cpp
@@ -0,0 +1,46 @@
+// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -ferror-limit 100 %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note {{declared here}}
+
+template <class T, class S> // expected-note {{declared here}}
+int tmain(T argc, S **argv) {
+  #pragma omp task final // expected-error {{expected '(' after 'final'}}
+  #pragma omp task final ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp task final () // expected-error {{expected expression}}
+  #pragma omp task final (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp task final (argc)) // expected-warning {{extra tokens at the end of '#pragma omp task' are ignored}}
+  #pragma omp task final (argc > 0 ? argv[1] : argv[2])
+  #pragma omp task final (foobool(argc)), final (true) // expected-error {{directive '#pragma omp task' cannot contain more than one 'final' clause}}
+  #pragma omp task final (S) // expected-error {{'S' does not refer to a value}}
+  #pragma omp task final (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp task final (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp task final(argc)
+  foo();
+
+  return 0;
+}
+
+int main(int argc, char **argv) {
+  #pragma omp task final // expected-error {{expected '(' after 'final'}}
+  #pragma omp task final ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp task final () // expected-error {{expected expression}}
+  #pragma omp task final (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp task final (argc)) // expected-warning {{extra tokens at the end of '#pragma omp task' are ignored}}
+  #pragma omp task final (argc > 0 ? argv[1] : argv[2])
+  #pragma omp task final (foobool(argc)), final (true) // expected-error {{directive '#pragma omp task' cannot contain more than one 'final' clause}}
+  #pragma omp task final (S1) // expected-error {{'S1' does not refer to a value}}
+  #pragma omp task final (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp task final (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp task final (1 0) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp task final(if(tmain(argc, argv) // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  foo();
+
+  return tmain(argc, argv);
+}