Lambdas have a deleted default constructor and a deleted copy

assignment operator, per C++ [expr.prim.lambda]p19. Make it so.

llvm-svn: 150345

1 files changed, 13 insertions, 0 deletions

diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
index 467cf43797e..b8ea85bea96 100644
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -4340,6 +4340,13 @@ bool Sema::ShouldDeleteSpecialMember(CXXMethodDecl *MD, CXXSpecialMember CSM) {
   switch (CSM) {
   case CXXDefaultConstructor:
     IsConstructor = true;
+
+    // C++11 [expr.lambda.prim]p19:
+    //   The closure type associated with a lambda-expression has a
+    //   deleted (8.4.3) default constructor.
+    if (RD->isLambda())
+      return true;
+
     break;
   case CXXCopyConstructor:
     IsConstructor = true;
@@ -4621,6 +4628,12 @@ bool Sema::ShouldDeleteCopyAssignmentOperator(CXXMethodDecl *MD) {
   if (!LangOpts.CPlusPlus0x || RD->isInvalidDecl())
     return false;
 
+  // C++11 [expr.lambda.prim]p19:
+  //   The closure type associated with a lambda-expression has a
+  //   [...] deleted copy assignment operator.
+  if (RD->isLambda())
+    return true;
+
   SourceLocation Loc = MD->getLocation();
 
   // Do access control from the constructor