Parser: Don't skip nested protocols for LLDB

Author: xymus

lib/Parse/ParseDecl.cpp

@@ -5625,7 +5625,8 @@ static unsigned skipUntilMatchingRBrace(Parser &P,
       tok::pound_if, tok::pound_else, tok::pound_endif, tok::pound_elseif);
 
     HasNestedTypeDeclarations |= P.Tok.isAny(tok::kw_class, tok::kw_struct,
-                                             tok::kw_enum, tok::kw_typealias)
+                                             tok::kw_enum, tok::kw_typealias,
+                                             tok::kw_protocol)
                               || P.Tok.isContextualKeyword("actor");
 
     // HACK: Bail if we encounter what could potentially be a regex literal.

test/Frontend/skip-function-bodies.swift

@@ -217,6 +217,16 @@ public func funcPublicWithNestedTypeActor() {
 // CHECK-SIL-SKIP-NONINLINE-NOT: "funcPublicWithNestedTypeActor()"
 // CHECK-SIL-SKIP-WITHOUTTYPES: "funcPublicWithNestedTypeActor()"
 
+public func funcPublicWithNestedTypeProtocol() {
+  let INLINENOTYPECHECK_local = "funcPublicWithNestedTypeProtocol()"
+  _blackHole(INLINENOTYPECHECK_local)
+  protocol P {}
+}
+// CHECK-TEXTUAL-NOT: "funcPublicWithNestedTypeProtocol()"
+// CHECK-SIL-NO-SKIP: "funcPublicWithNestedTypeProtocol()"
+// CHECK-SIL-SKIP-NONINLINE-NOT: "funcPublicWithNestedTypeProtocol()"
+// CHECK-SIL-SKIP-WITHOUTTYPES: "funcPublicWithNestedTypeProtocol()"
+
 public func funcPublicWithNestedTypeStruct() {
   let INLINENOTYPECHECK_local = "funcPublicWithNestedTypeStruct()"
   _blackHole(INLINENOTYPECHECK_local)