diff --git a/lib/Frontend/PCHReaderStmt.cpp b/lib/Frontend/PCHReaderStmt.cpp
index 01af67d..fb95584 100644
--- a/lib/Frontend/PCHReaderStmt.cpp
+++ b/lib/Frontend/PCHReaderStmt.cpp
@@ -177,6 +177,7 @@
 
 unsigned PCHStmtReader::VisitIfStmt(IfStmt *S) {
   VisitStmt(S);
+  S->setConditionVariable(cast_or_null<VarDecl>(Reader.GetDecl(Record[Idx++])));
   S->setCond(cast<Expr>(StmtStack[StmtStack.size() - 3]));
   S->setThen(StmtStack[StmtStack.size() - 2]);
   S->setElse(StmtStack[StmtStack.size() - 1]);
diff --git a/lib/Frontend/PCHWriterStmt.cpp b/lib/Frontend/PCHWriterStmt.cpp
index 78a56db..8de094a 100644
--- a/lib/Frontend/PCHWriterStmt.cpp
+++ b/lib/Frontend/PCHWriterStmt.cpp
@@ -170,6 +170,7 @@
 
 void PCHStmtWriter::VisitIfStmt(IfStmt *S) {
   VisitStmt(S);
+  Writer.AddDeclRef(S->getConditionVariable(), Record);
   Writer.WriteSubStmt(S->getCond());
   Writer.WriteSubStmt(S->getThen());
   Writer.WriteSubStmt(S->getElse());