[OpenMP] Prevent nesting of target constructs within target code execution regions.

Summary:
This patch enhances Sema to check for the following restriction:

OpenMP 4.5 [2.17 Nesting of Regions]
If a target, target update, target data, target enter data, or
target exit data construct is encountered during execution of a
target region, the behavior is unspecified.

Reviewers: ABataev

Differential Revision: http://reviews.llvm.org/D16758



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@259366 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 2 deletions

diff --git a/test/OpenMP/target_data_device_messages.cpp b/test/OpenMP/target_data_device_messages.cpp
index a46afee035..9ed7a54b43 100644
--- a/test/OpenMP/target_data_device_messages.cpp
+++ b/test/OpenMP/target_data_device_messages.cpp
@@ -21,8 +21,8 @@ int main(int argc, char **argv) {
   #pragma omp target data map(to: a) device (argc), device (argc+1) // expected-error {{directive '#pragma omp target data' cannot contain more than one 'device' clause}}
   #pragma omp target data map(to: a) device (S1) // expected-error {{'S1' does not refer to a value}}
   #pragma omp target data map(to: a) device (-2) // expected-error {{argument to 'device' clause must be a non-negative integer value}}
-  #pragma omp target map(to: a) device (-10u)
-  #pragma omp target map(to: a) device (3.14) // expected-error {{expression must have integral or unscoped enumeration type, not 'double'}}
+  #pragma omp target data map(to: a) device (-10u)
+  #pragma omp target data map(to: a) device (3.14) // expected-error {{expression must have integral or unscoped enumeration type, not 'double'}}
   foo();
 
   return 0;