Add Sema checking for __block on vm declarations. Radar 6441502

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70601 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index af27229b92..3ae2ba14c9 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -1916,6 +1916,11 @@ void Sema::CheckVariableDeclaration(VarDecl *NewVD, NamedDecl *PrevDecl,
     return NewVD->setInvalidDecl();
   }
     
+  if (isVM && NewVD->hasAttr<BlocksAttr>()) {
+    Diag(NewVD->getLocation(), diag::err_block_on_vm);
+    return NewVD->setInvalidDecl();
+  }
+
   if (PrevDecl) {
     Redeclaration = true;
     MergeVarDecl(NewVD, PrevDecl);