Update LAST_DECL_ATTR and add verification

Author: meg-gupta

include/swift/AST/DeclAttr.def

@@ -510,7 +510,7 @@ DECL_ATTR(lifetime, Lifetime,
   OnAccessor | OnConstructor | OnFunc | OnSubscript | LongAttribute | ABIBreakingToAdd | ABIStableToRemove | APIBreakingToAdd | APIStableToRemove,
   161)
 
-LAST_DECL_ATTR(Unsafe)
+LAST_DECL_ATTR(Lifetime)
 
 #undef DECL_ATTR_ALIAS
 #undef CONTEXTUAL_DECL_ATTR_ALIAS

lib/AST/Attr.cpp

@@ -39,6 +39,7 @@
 using namespace swift;
 
 #define DECL_ATTR(_, Id, ...) \
+  static_assert(DeclAttrKind::Id <= DeclAttrKind::Last_DeclAttr); \
   static_assert(IsTriviallyDestructible<Id##Attr>::value, \
                 "Attrs are BumpPtrAllocated; the destructor is never called");
 #include "swift/AST/DeclAttr.def"
@@ -69,6 +70,10 @@ static_assert(DeclAttribute::isOptionSetFor##Id(DeclAttribute::DeclAttrOptions::
               #Name " needs to specify either APIBreakingToRemove or APIStableToRemove");
 #include "swift/AST/DeclAttr.def"
 
+#define TYPE_ATTR(_, Id)                                                       \
+  static_assert(TypeAttrKind::Id <= TypeAttrKind::Last_TypeAttr);
+#include "swift/AST/TypeAttr.def"
+
 StringRef swift::getAccessLevelSpelling(AccessLevel value) {
   switch (value) {
   case AccessLevel::Private: return "private";