[AST] Unmark consuming and borrowing as UserInaccessible

These are official features now (SE-0377). This
allows them to show up in code completion.

Author: hamishknight

include/swift/AST/DeclAttr.def

@@ -453,10 +453,10 @@ CONTEXTUAL_SIMPLE_DECL_ATTR(_local, KnownToBeLocal,
   DeclModifier | OnFunc | OnParam | OnVar | UserInaccessible | ABIBreakingToAdd | ABIBreakingToRemove | APIBreakingToAdd | APIBreakingToRemove,
   130)
 CONTEXTUAL_SIMPLE_DECL_ATTR(consuming, Consuming,
-  OnFunc | OnAccessor | DeclModifier | UserInaccessible | NotSerialized | ABIBreakingToAdd | ABIBreakingToRemove | APIStableToAdd | APIStableToRemove,
+  OnFunc | OnAccessor | DeclModifier | NotSerialized | ABIBreakingToAdd | ABIBreakingToRemove | APIStableToAdd | APIStableToRemove,
   140)
 CONTEXTUAL_SIMPLE_DECL_ATTR(borrowing, Borrowing,
-  OnFunc | OnAccessor | DeclModifier | UserInaccessible | NotSerialized | ABIBreakingToAdd | ABIBreakingToRemove | APIStableToAdd | APIStableToRemove,
+  OnFunc | OnAccessor | DeclModifier | NotSerialized | ABIBreakingToAdd | ABIBreakingToRemove | APIStableToAdd | APIStableToRemove,
   141)
 DECL_ATTR(attached, MacroRole,
   OnMacro | AllowMultipleAttributes | ABIStableToAdd | ABIStableToRemove | APIStableToAdd | APIBreakingToRemove,

test/IDE/complete_keywords.swift

@@ -23,6 +23,8 @@
 // KW_DECL-DAG: Keyword[let]/None: let{{; name=.+$}}
 // KW_DECL-DAG: Keyword/None: mutating{{; name=.+$}}
 // KW_DECL-DAG: Keyword/None: nonmutating{{; name=.+$}}
+// KW_DECL-DAG: Keyword/None: consuming{{; name=.+$}}
+// KW_DECL-DAG: Keyword/None: borrowing{{; name=.+$}}
 // KW_DECL-DAG: Keyword[operator]/None: operator{{; name=.+$}}
 // KW_DECL-DAG: Keyword/None: optional{{; name=.+$}}
 // KW_DECL-DAG: Keyword/None: override{{; name=.+$}}
@@ -58,6 +60,8 @@
 // KW_DECL_PROTOCOL-DAG: Keyword[let]/None: let{{; name=.+$}}
 // KW_DECL_PROTOCOL-DAG: Keyword/None: mutating{{; name=.+$}}
 // KW_DECL_PROTOCOL-DAG: Keyword/None: nonmutating{{; name=.+$}}
+// KW_DECL_PROTOCOL-DAG: Keyword/None: consuming{{; name=.+$}}
+// KW_DECL_PROTOCOL-DAG: Keyword/None: borrowing{{; name=.+$}}
 // KW_DECL_PROTOCOL-DAG: Keyword[operator]/None/Flair[RareKeyword]: operator{{; name=.+$}}
 // KW_DECL_PROTOCOL-DAG: Keyword/None: optional{{; name=.+$}}
 // KW_DECL_PROTOCOL-DAG: Keyword/None: override{{; name=.+$}}
@@ -93,6 +97,8 @@
 // KW_DECL_TYPECONTEXT-DAG: Keyword[let]/None: let{{; name=.+$}}
 // KW_DECL_TYPECONTEXT-DAG: Keyword/None: mutating{{; name=.+$}}
 // KW_DECL_TYPECONTEXT-DAG: Keyword/None: nonmutating{{; name=.+$}}
+// KW_DECL_TYPECONTEXT-DAG: Keyword/None: consuming{{; name=.+$}}
+// KW_DECL_TYPECONTEXT-DAG: Keyword/None: borrowing{{; name=.+$}}
 // KW_DECL_TYPECONTEXT-DAG: Keyword[operator]/None/Flair[RareKeyword]: operator{{; name=.+$}}
 // KW_DECL_TYPECONTEXT-DAG: Keyword/None: optional{{; name=.+$}}
 // KW_DECL_TYPECONTEXT-DAG: Keyword/None: override{{; name=.+$}}
@@ -132,6 +138,8 @@
 // KW_DECL_STMT_TOPLEVEL-DAG: Keyword[let]/None: let{{; name=.+$}}
 // KW_DECL_STMT_TOPLEVEL-DAG: Keyword/None: mutating{{; name=.+$}}
 // KW_DECL_STMT_TOPLEVEL-DAG: Keyword/None: nonmutating{{; name=.+$}}
+// KW_DECL_STMT_TOPLEVEL-DAG: Keyword/None: consuming{{; name=.+$}}
+// KW_DECL_STMT_TOPLEVEL-DAG: Keyword/None: borrowing{{; name=.+$}}
 // KW_DECL_STMT_TOPLEVEL-DAG: Keyword[operator]/None: operator{{; name=.+$}}
 // KW_DECL_STMT_TOPLEVEL-DAG: Keyword/None: optional{{; name=.+$}}
 // KW_DECL_STMT_TOPLEVEL-DAG: Keyword/None: override{{; name=.+$}}
@@ -198,6 +206,8 @@
 // KW_DECL_STMT-DAG: Keyword[let]/None: let{{; name=.+$}}
 // KW_DECL_STMT-DAG: Keyword/None: mutating{{; name=.+$}}
 // KW_DECL_STMT-DAG: Keyword/None: nonmutating{{; name=.+$}}
+// KW_DECL_STMT-DAG: Keyword/None: consuming{{; name=.+$}}
+// KW_DECL_STMT-DAG: Keyword/None: borrowing{{; name=.+$}}
 // KW_DECL_STMT-DAG: Keyword[operator]/None/Flair[RareKeyword]: operator{{; name=.+$}}
 // KW_DECL_STMT-DAG: Keyword/None/Flair[RareKeyword]: optional{{; name=.+$}}
 // KW_DECL_STMT-DAG: Keyword/None/Flair[RareKeyword]: override{{; name=.+$}}