commit 1967cd8ca24225c1010d31f258e517a4e113820c
author Douglas Gregor <doug.gregor@gmail.com> Fri May 15 20:47:12 2009 +0000
committer Douglas Gregor <doug.gregor@gmail.com> Fri May 15 20:47:12 2009 +0000
tree 9bd914ac217d2ba3e12ac83bce52b23b6f5f7b01
parent c10357dff31d7acfd4be986958629d05f91993d9

Allow instantiation of NULL expressions and statements

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71889 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Sema/SemaTemplateInstantiateExpr.cpp

diff --git a/lib/Sema/SemaTemplateInstantiateExpr.cpp b/lib/Sema/SemaTemplateInstantiateExpr.cpp
index c2007c6..08c388e 100644
--- a/lib/Sema/SemaTemplateInstantiateExpr.cpp
+++ b/lib/Sema/SemaTemplateInstantiateExpr.cpp
@@ -432,6 +432,9 @@
 
 Sema::OwningExprResult 
 Sema::InstantiateExpr(Expr *E, const TemplateArgumentList &TemplateArgs) {
+  if (!E)
+    return Owned((Expr *)0);
+
   TemplateExprInstantiator Instantiator(*this, TemplateArgs);
   return Instantiator.Visit(E);
 }