Switch RequireLiteralType() off of PartialDiagnostic.

llvm-svn: 156178
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 1480b3e..d1cc73c 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -4452,7 +4452,7 @@
 
   if (NewVD->isConstexpr() && !T->isDependentType() &&
       RequireLiteralType(NewVD->getLocation(), T,
-                         PDiag(diag::err_constexpr_var_non_literal))) {
+                         diag::err_constexpr_var_non_literal)) {
     NewVD->setInvalidDecl();
     return false;
   }