diff --git a/clang/lib/Frontend/PCHReaderDecl.cpp b/clang/lib/Frontend/PCHReaderDecl.cpp
index 67ffabba863f..77721bdf629e 100644
--- a/clang/lib/Frontend/PCHReaderDecl.cpp
+++ b/clang/lib/Frontend/PCHReaderDecl.cpp
@@ -230,6 +230,9 @@ void PCHDeclReader::VisitFunctionDecl(FunctionDecl *FD) {
   FD->setHasInheritedPrototype(Record[Idx++]);
   FD->setHasWrittenPrototype(Record[Idx++]);
   FD->setDeleted(Record[Idx++]);
+  FD->setTrivial(Record[Idx++]);
+  FD->setCopyAssignment(Record[Idx++]);
+  FD->setHasImplicitReturnZero(Record[Idx++]);
   FD->setLocEnd(SourceLocation::getFromRawEncoding(Record[Idx++]));
   // FIXME: C++ TemplateOrInstantiation
   unsigned NumParams = Record[Idx++];
diff --git a/clang/lib/Frontend/PCHWriterDecl.cpp b/clang/lib/Frontend/PCHWriterDecl.cpp
index 3aacab33966f..6261db5ff6f9 100644
--- a/clang/lib/Frontend/PCHWriterDecl.cpp
+++ b/clang/lib/Frontend/PCHWriterDecl.cpp
@@ -230,6 +230,9 @@ void PCHDeclWriter::VisitFunctionDecl(FunctionDecl *D) {
   Record.push_back(D->hasInheritedPrototype());
   Record.push_back(D->hasWrittenPrototype());
   Record.push_back(D->isDeleted());
+  Record.push_back(D->isTrivial());
+  Record.push_back(D->isCopyAssignment());
+  Record.push_back(D->hasImplicitReturnZero());
   Writer.AddSourceLocation(D->getLocEnd(), Record);
   // FIXME: C++ TemplateOrInstantiation
   Record.push_back(D->param_size());
diff --git a/clang/test/Frontend/ast-main.c b/clang/test/Frontend/ast-main.c
index a08eb6bf731e..783140673899 100644
--- a/clang/test/Frontend/ast-main.c
+++ b/clang/test/Frontend/ast-main.c
@@ -1,8 +1,7 @@
-// RUN: clang -emit-llvm -S -o %t1.ll %s &&
+// RUN: clang -emit-llvm -S -o %t1.ll -x c - < %s &&
 // RUN: clang -emit-ast -o %t.ast %s &&
-// RUN: clang -emit-llvm -S -o %t2.ll %t.ast &&
+// RUN: clang -emit-llvm -S -o %t2.ll -x ast - < %t.ast &&
 // RUN: diff %t1.ll %t2.ll
-// XFAIL: *
 
 int main() {
   return 0;