Use Sema's LocInfoType to pass and preserve type source info through the Parser.

llvm-svn: 79395
diff --git a/clang/lib/Sema/SemaCXXCast.cpp b/clang/lib/Sema/SemaCXXCast.cpp
index b8dbd18..10da094 100644
--- a/clang/lib/Sema/SemaCXXCast.cpp
+++ b/clang/lib/Sema/SemaCXXCast.cpp
@@ -104,7 +104,8 @@
                         SourceLocation LParenLoc, ExprArg E,
                         SourceLocation RParenLoc) {
   Expr *Ex = E.takeAs<Expr>();
-  QualType DestType = QualType::getFromOpaquePtr(Ty);
+  // FIXME: Preserve type source info.
+  QualType DestType = GetTypeFromParser(Ty);
   SourceRange OpRange(OpLoc, RParenLoc);
   SourceRange DestRange(LAngleBracketLoc, RAngleBracketLoc);