[-cxx-abi microsoft] Mangle UUIDs correctly, stick them in the proper section

We mangled them like:
L___uuid_12345678-1234-1234-1234-123456789abc

We should've mangled them like:
__GUID_12345678_1234_1234_1234_123456789abc

Furthermore, they are external symbols.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@188053 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/MicrosoftMangle.cpp b/lib/AST/MicrosoftMangle.cpp
index 8d7b76d..45d60c6 100644
--- a/lib/AST/MicrosoftMangle.cpp
+++ b/lib/AST/MicrosoftMangle.cpp
@@ -317,10 +317,7 @@
   // mangled as 'QAHA' instead of 'PAHB', for example.
   TypeLoc TL = VD->getTypeSourceInfo()->getTypeLoc();
   QualType Ty = TL.getType();
-  if (Ty->isPointerType() || Ty->isReferenceType()) {
-    mangleType(Ty, TL.getSourceRange(), QMM_Drop);
-    mangleQualifiers(Ty->getPointeeType().getQualifiers(), false);
-  } else if (const ArrayType *AT = getASTContext().getAsArrayType(Ty)) {
+  if (const ArrayType *AT = getASTContext().getAsArrayType(Ty)) {
     // Global arrays are funny, too.
     mangleDecayedArrayType(AT, true);
     if (AT->getElementType()->isArrayType())