Allow clang to compile the "extern" storage class in OpenCL 1.2.

Patch from Fraser Cormack!

llvm-svn: 199906

1 files changed, 1 insertions, 1 deletions

diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 949526b3edf..4b82dd35aa1 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -8541,7 +8541,7 @@ void Sema::ActOnUninitializedDecl(Decl *RealDecl,
     // be initialized.
     if (!Var->isInvalidDecl() &&
         Var->getType().getAddressSpace() == LangAS::opencl_constant &&
-        !Var->getInit()) {
+        Var->getStorageClass() != SC_Extern && !Var->getInit()) {
       Diag(Var->getLocation(), diag::err_opencl_constant_no_init);
       Var->setInvalidDecl();
       return;