[OpenMP] Adding support to the mutexinoutset dep-type

Summary: this commit adds support to a new dependence type introduced in OpenMP
5.0. The LLVM OpenMP RTL already supports this feature, so we  only need to
modify CLANG to take advantage of them.


Differential Revision: https://reviews.llvm.org/D57576

llvm-svn: 353018
diff --git a/clang/test/OpenMP/target_depend_messages.cpp b/clang/test/OpenMP/target_depend_messages.cpp
index 5fdf37d..d699080 100644
--- a/clang/test/OpenMP/target_depend_messages.cpp
+++ b/clang/test/OpenMP/target_depend_messages.cpp
@@ -24,13 +24,13 @@
 
   #pragma omp target depend // expected-error {{expected '(' after 'depend'}}
   foo();
-  #pragma omp target depend ( // expected-error {{expected 'in', 'out' or 'inout' in OpenMP clause 'depend'}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-warning {{missing ':' after dependency type - ignoring}}
+  #pragma omp target depend ( // expected-error {{expected 'in', 'out', 'inout' or 'mutexinoutset' in OpenMP clause 'depend'}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-warning {{missing ':' after dependency type - ignoring}}
   foo();
-  #pragma omp target depend () // expected-error {{expected 'in', 'out' or 'inout' in OpenMP clause 'depend'}} expected-warning {{missing ':' after dependency type - ignoring}}
+  #pragma omp target depend () // expected-error {{expected 'in', 'out', 'inout' or 'mutexinoutset' in OpenMP clause 'depend'}} expected-warning {{missing ':' after dependency type - ignoring}}
   foo();
-  #pragma omp target depend (argc // expected-error {{expected 'in', 'out' or 'inout' in OpenMP clause 'depend'}} expected-warning {{missing ':' after dependency type - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp target depend (argc // expected-error {{expected 'in', 'out', 'inout' or 'mutexinoutset' in OpenMP clause 'depend'}} expected-warning {{missing ':' after dependency type - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
   foo();
-  #pragma omp target depend (source : argc) // expected-error {{expected 'in', 'out' or 'inout' in OpenMP clause 'depend'}}
+  #pragma omp target depend (source : argc) // expected-error {{expected 'in', 'out', 'inout' or 'mutexinoutset' in OpenMP clause 'depend'}}
   foo();
   #pragma omp target depend (source) // expected-error {{expected expression}} expected-warning {{missing ':' after dependency type - ignoring}}
   foo();