CodeGen: Fix long double on Windows using MSVC runtime.

llvm-svn: 116700
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index bc1a193..31a55b6 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -1355,6 +1355,8 @@
 public:
   VisualStudioWindowsX86_32TargetInfo(const std::string& triple)
     : WindowsX86_32TargetInfo(triple) {
+    LongDoubleWidth = 64;
+    LongDoubleFormat = &llvm::APFloat::IEEEdouble;
   }
   virtual void getTargetDefines(const LangOptions &Opts,
                                 MacroBuilder &Builder) const {