[Flang][OpenMP] Error gracefully for dependence-type with depobj

Also modifies the error message to specify it is the dependence-type
that is not supported.

Author: kiranchandramohan

flang/lib/Lower/OpenMP/ClauseProcessor.cpp

@@ -139,9 +139,10 @@ genDependKindAttr(lower::AbstractConverter &converter,
     break;
   case omp::clause::DependenceType::Mutexinoutset:
   case omp::clause::DependenceType::Inoutset:
-    TODO(currentLocation, "INOUTSET and MUTEXINOUTSET are not supported yet");
-    break;
   case omp::clause::DependenceType::Depobj:
+    TODO(currentLocation,
+         "INOUTSET, MUTEXINOUTSET and DEPOBJ dependence-types");
+    break;
   case omp::clause::DependenceType::Sink:
   case omp::clause::DependenceType::Source:
     llvm_unreachable("unhandled parser task dependence type");

flang/test/Lower/OpenMP/Todo/depend-clause-depobj.f90

@@ -0,0 +1,10 @@
+!RUN: %not_todo_cmd bbc -emit-hlfir -fopenmp -fopenmp-version=52 -o - %s 2>&1 | FileCheck %s
+!RUN: %not_todo_cmd %flang_fc1 -emit-hlfir -fopenmp -fopenmp-version=52 -o - %s 2>&1 | FileCheck %s
+
+!CHECK: not yet implemented: INOUTSET, MUTEXINOUTSET and DEPOBJ dependence-types
+
+subroutine f00(x)
+  integer :: x
+  !$omp task depend(depobj: x)
+  !$omp end task
+end

flang/test/Lower/OpenMP/Todo/depend-clause-inoutset.f90

@@ -1,7 +1,7 @@
 !RUN: %not_todo_cmd bbc -emit-hlfir -fopenmp -fopenmp-version=52 -o - %s 2>&1 | FileCheck %s
 !RUN: %not_todo_cmd %flang_fc1 -emit-hlfir -fopenmp -fopenmp-version=52 -o - %s 2>&1 | FileCheck %s
 
-!CHECK: not yet implemented: INOUTSET and MUTEXINOUTSET are not supported yet
+!CHECK: not yet implemented: INOUTSET, MUTEXINOUTSET and DEPOBJ dependence-types
 subroutine f00(x)
   integer :: x
   !$omp task depend(inoutset: x)

flang/test/Lower/OpenMP/Todo/depend-clause-mutexinoutset.f90

@@ -1,7 +1,7 @@
 !RUN: %not_todo_cmd bbc -emit-hlfir -fopenmp -fopenmp-version=52 -o - %s 2>&1 | FileCheck %s
 !RUN: %not_todo_cmd %flang_fc1 -emit-hlfir -fopenmp -fopenmp-version=52 -o - %s 2>&1 | FileCheck %s
 
-!CHECK: not yet implemented: INOUTSET and MUTEXINOUTSET are not supported yet
+!CHECK: not yet implemented: INOUTSET, MUTEXINOUTSET and DEPOBJ dependence-types
 subroutine f00(x)
   integer :: x
   !$omp task depend(mutexinoutset: x)