Initialize and destroy OmpSs-2 DSA stack

Author: rofirrim

clang/lib/Sema/Sema.cpp

@@ -158,7 +158,8 @@ Sema::Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer,
       CurrentInstantiationScope(nullptr), DisableTypoCorrection(false),
       TyposCorrected(0), AnalysisWarnings(*this),
       ThreadSafetyDeclCache(nullptr), VarDataSharingAttributesStack(nullptr),
-      CurScope(nullptr), Ident_super(nullptr), Ident___float128(nullptr) {
+      VarDataSharingAttributesStackOmpSs(nullptr), CurScope(nullptr),
+      Ident_super(nullptr), Ident___float128(nullptr) {
   TUScope = nullptr;
   isConstantEvaluatedOverride = false;
 
@@ -383,6 +384,9 @@ Sema::~Sema() {
   // Destroys data sharing attributes stack for OpenMP
   DestroyDataSharingAttributesStack();
 
+  // Destroys data sharing attributes stack for OmpSs-2
+  DestroyDataSharingAttributesStackOmpSs();
+
   // Detach from the PP callback handler which outlives Sema since it's owned
   // by the preprocessor.
   SemaPPCallbackHandler->reset();

clang/lib/Sema/SemaOmpSs.cpp

@@ -651,6 +651,8 @@ void Sema::InitDataSharingAttributesStackOmpSs() {
 
 #define DSAStack static_cast<DSAStackTy *>(VarDataSharingAttributesStackOmpSs)
 
+void Sema::DestroyDataSharingAttributesStackOmpSs() { delete DSAStack; }
+
 void Sema::StartOmpSsDSABlock(OmpSsDirectiveKind DKind,
                               Scope *CurScope, SourceLocation Loc) {
   DSAStack->push(DKind, CurScope, Loc);