Update clang/lib/Basic/Targets/X86.h

Co-authored-by: Petr Hosek <[email protected]>

Author: Prabhuk

clang/lib/Basic/Targets/X86.h

@@ -843,15 +843,17 @@ class LLVM_LIBRARY_VISIBILITY UEFIX86_64TargetInfo
 
     // Set C++ ABI.
     this->TheCXXABI.set(TargetCXXABI::Microsoft);
-    // Set Integer types and alignment.
+    LongWidth = LongAlign = 32;
+    DoubleAlign = LongLongAlign = 64;
+    LongDoubleWidth = LongDoubleAlign = 64;
+    LongDoubleFormat = &llvm::APFloat::IEEEdouble();
     IntMaxType = SignedLongLong;
     Int64Type = SignedLongLong;
     SizeType = UnsignedLongLong;
     PtrDiffType = SignedLongLong;
     IntPtrType = SignedLongLong;
     WCharType = UnsignedShort;
     WIntType = UnsignedShort;
-    LongWidth = LongAlign = 32;
 
     this->resetDataLayout("e-m:w-p270:32:32-p271:32:32-p272:64:64-"
                           "i64:64-i128:128-f80:128-n8:16:32:64-S128");