Initialize default double width and alignment

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49899 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Basic/TargetInfo.cpp

@@ -24,6 +24,8 @@ TargetInfo::TargetInfo(const std::string &T) : Triple(T) {
   // Set defaults.  These should be overridden by concrete targets as needed.
   CharIsSigned = true;
   WCharWidth = WCharAlign = 32;
+	DoubleWidth = 64;
+	DoubleAlign = 32;
   FloatFormat = &llvm::APFloat::IEEEsingle;
   DoubleFormat = &llvm::APFloat::IEEEdouble;
   LongDoubleFormat = &llvm::APFloat::IEEEdouble;