Do not assign dsa to inner lambda parameters.

Fix llvm#169

Author: Raúl Peñacoba Veigas

clang/lib/Sema/SemaOmpSs.cpp

@@ -492,6 +492,14 @@ class DSAAttrChecker final : public StmtVisitor<DSAAttrChecker, void> {
     }
   }
 
+  void VisitLambdaExpr(LambdaExpr *E) {
+    CXXMethodDecl *MD = E->getCallOperator();
+    for (ParmVarDecl *param : MD->parameters()) {
+      InnerDecls.insert(param);
+    }
+    Visit(E->getCompoundStmtBody());
+  }
+
   void VisitCXXCatchStmt(CXXCatchStmt *Node) {
     InnerDecls.insert(Node->getExceptionDecl());
     Visit(Node->getHandlerBlock());

clang/test/OmpSs/AST/task_lambda_parm_skip.cpp

@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 -verify -fompss-2 -ast-dump -ferror-limit 100 %s | FileCheck %s
+// expected-no-diagnostics
+
+// This test checks that lambda parameters are skipped
+// from implicit dsa analysis in the task body.
+// Before the fix, a deleted constructor error
+// will be shown because of firstprivatizing
+// 's'
+
+struct S {
+  S() = delete;
+  ~S();
+};
+
+void foo(const S &s);
+
+int main(){
+  #pragma oss task //firstprivate(s)
+  {
+    auto l = [] (S &s){
+      foo(s);
+    };
+  }
+}
+
+// CHECK: OSSTaskDirective 0x{{.*}} <line:{{.*}}:{{.*}}, col:{{.*}}>
+// CHECK-NOT: OSSFirstprivateClause