diff --git a/clang/lib/Serialization/ASTReaderDecl.cpp b/clang/lib/Serialization/ASTReaderDecl.cpp
index 3f7a1ed..d989f46 100644
--- a/clang/lib/Serialization/ASTReaderDecl.cpp
+++ b/clang/lib/Serialization/ASTReaderDecl.cpp
@@ -886,6 +886,7 @@
 
   FD->ODRHash = Record.readInt();
   FD->setHasODRHash(true);
+  FD->setUsesFPIntrin(Record.readInt());
 
   switch ((FunctionDecl::TemplatedKind)Record.readInt()) {
   case FunctionDecl::TK_NonTemplate:
diff --git a/clang/lib/Serialization/ASTWriterDecl.cpp b/clang/lib/Serialization/ASTWriterDecl.cpp
index 51902a6..38eb64e 100644
--- a/clang/lib/Serialization/ASTWriterDecl.cpp
+++ b/clang/lib/Serialization/ASTWriterDecl.cpp
@@ -559,6 +559,7 @@
   Record.AddSourceLocation(D->getEndLoc());
 
   Record.push_back(D->getODRHash());
+  Record.push_back(D->usesFPIntrin());
 
   Record.push_back(D->getTemplatedKind());
   switch (D->getTemplatedKind()) {