1 files changed, 3 insertions, 1 deletions
diff --git a/clang/lib/AST/JSONNodeDumper.cpp b/clang/lib/AST/JSONNodeDumper.cpp
index 2bb72f9fe9b..60f3c0f8601 100644
--- a/clang/lib/AST/JSONNodeDumper.cpp
+++ b/clang/lib/AST/JSONNodeDumper.cpp
@@ -1349,7 +1349,9 @@ void JSONNodeDumper::VisitFixedPointLiteral(const FixedPointLiteral *FPL) {
   JOS.attribute("value", FPL->getValueAsString(/*Radix=*/10));
 }
 void JSONNodeDumper::VisitFloatingLiteral(const FloatingLiteral *FL) {
-  JOS.attribute("value", FL->getValueAsApproximateDouble());
+  llvm::SmallVector<char, 16> Buffer;
+  FL->getValue().toString(Buffer);
+  JOS.attribute("value", Buffer);
 }
 void JSONNodeDumper::VisitStringLiteral(const StringLiteral *SL) {
   std::string Buffer;