improve altivec vector bool/pixel support, patch by Anton Yartsev
with several tweaks by me.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106619 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHWriter.cpp b/lib/Frontend/PCHWriter.cpp
index 1fb9085..a55684a 100644
--- a/lib/Frontend/PCHWriter.cpp
+++ b/lib/Frontend/PCHWriter.cpp
@@ -128,8 +128,7 @@
 void PCHTypeWriter::VisitVectorType(const VectorType *T) {
   Writer.AddTypeRef(T->getElementType(), Record);
   Record.push_back(T->getNumElements());
-  Record.push_back(T->isAltiVec());
-  Record.push_back(T->isPixel());
+  Record.push_back(T->getAltiVecSpecific());
   Code = pch::TYPE_VECTOR;
 }