[OPENMP] Enable c++ exceptions outside of the target constructs iff they are

enabled for the host.

If the compilation for the host enables C++ exceptions, but they are not
supported by the device, we still need to allow the code with the
exception handling constructs outside of the target regions.

llvm-svn: 331372

1 files changed, 5 insertions, 1 deletions

diff --git a/clang/lib/Sema/SemaStmt.cpp b/clang/lib/Sema/SemaStmt.cpp
index c3a627f1d36..d3224b75f45 100644
--- a/clang/lib/Sema/SemaStmt.cpp
+++ b/clang/lib/Sema/SemaStmt.cpp
@@ -3942,7 +3942,11 @@ StmtResult Sema::ActOnCXXTryBlock(SourceLocation TryLoc, Stmt *TryBlock,
                                   ArrayRef<Stmt *> Handlers) {
   // Don't report an error if 'try' is used in system headers.
   if (!getLangOpts().CXXExceptions &&
-      !getSourceManager().isInSystemHeader(TryLoc))
+      !getSourceManager().isInSystemHeader(TryLoc) &&
+      (!getLangOpts().OpenMPIsDevice ||
+       !getLangOpts().OpenMPHostCXXExceptions ||
+       isInOpenMPTargetExecutionDirective() ||
+       isInOpenMPDeclareTargetContext()))
     Diag(TryLoc, diag::err_exceptions_disabled) << "try";
 
   // Exceptions aren't allowed in CUDA device code.