3 files changed, 9 insertions, 4 deletions
diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index 97766d0f7df..4e6e6db8768 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -6669,8 +6669,10 @@ llvm::APSInt ASTReader::ReadAPSInt(const RecordData &Record, unsigned &Idx) {
 }
 
 /// \brief Read a floating-point value
-llvm::APFloat ASTReader::ReadAPFloat(const RecordData &Record, unsigned &Idx) {
-  return llvm::APFloat(ReadAPInt(Record, Idx));
+llvm::APFloat ASTReader::ReadAPFloat(const RecordData &Record,
+                                     const llvm::fltSemantics &Sem,
+                                     unsigned &Idx) {
+  return llvm::APFloat(Sem, ReadAPInt(Record, Idx));
 }
 
 // \brief Read a string
diff --git a/clang/lib/Serialization/ASTReaderStmt.cpp b/clang/lib/Serialization/ASTReaderStmt.cpp
index 6735c3cf009..7f26a1752bc 100644
--- a/clang/lib/Serialization/ASTReaderStmt.cpp
+++ b/clang/lib/Serialization/ASTReaderStmt.cpp
@@ -378,8 +378,10 @@ void ASTStmtReader::VisitIntegerLiteral(IntegerLiteral *E) {
 
 void ASTStmtReader::VisitFloatingLiteral(FloatingLiteral *E) {
   VisitExpr(E);
-  E->setValue(Reader.getContext(), Reader.ReadAPFloat(Record, Idx));
+  E->setRawSemantics(static_cast<Stmt::APFloatSemantics>(Record[Idx++]));
   E->setExact(Record[Idx++]);
+  E->setValue(Reader.getContext(),
+              Reader.ReadAPFloat(Record, E->getSemantics(), Idx));
   E->setLocation(ReadSourceLocation(Record, Idx));
 }
 
diff --git a/clang/lib/Serialization/ASTWriterStmt.cpp b/clang/lib/Serialization/ASTWriterStmt.cpp
index 0c6dc5dba06..6b96c500c3d 100644
--- a/clang/lib/Serialization/ASTWriterStmt.cpp
+++ b/clang/lib/Serialization/ASTWriterStmt.cpp
@@ -324,8 +324,9 @@ void ASTStmtWriter::VisitIntegerLiteral(IntegerLiteral *E) {
 
 void ASTStmtWriter::VisitFloatingLiteral(FloatingLiteral *E) {
   VisitExpr(E);
-  Writer.AddAPFloat(E->getValue(), Record);
+  Record.push_back(E->getRawSemantics());
   Record.push_back(E->isExact());
+  Writer.AddAPFloat(E->getValue(), Record);
   Writer.AddSourceLocation(E->getLocation(), Record);
   Code = serialization::EXPR_FLOATING_LITERAL;
 }