Use APFloat::toString to print APFloats more precisely in the AST printer.  Patch by Olaf Krzikalla.  



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141208 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/StmtPrinter.cpp b/lib/AST/StmtPrinter.cpp
index 57a3e61..dfa2612 100644
--- a/lib/AST/StmtPrinter.cpp
+++ b/lib/AST/StmtPrinter.cpp
@@ -668,8 +668,9 @@
   }
 }
 void StmtPrinter::VisitFloatingLiteral(FloatingLiteral *Node) {
-  // FIXME: print value more precisely.
-  OS << Node->getValueAsApproximateDouble();
+  llvm::SmallString<16> Str;
+  Node->getValue().toString(Str);
+  OS << Str;
 }
 
 void StmtPrinter::VisitImaginaryLiteral(ImaginaryLiteral *Node) {