Pass declaration vs. @type tag -> createSignature()

Author: jablko

src/compiler/checker.ts

@@ -12837,9 +12837,18 @@ namespace ts {
                     isConstructorDeclaration(declaration) && hasSyntacticModifier(declaration.parent, ModifierFlags.Abstract)) {
                     flags |= SignatureFlags.Abstract;
                 }
-                links.resolvedSignature = createSignature(declaration, typeParameters, thisParameter, parameters,
-                    /*resolvedReturnType*/ undefined, /*resolvedTypePredicate*/ undefined,
-                    minArgumentCount, flags);
+                links.resolvedSignature = createSignature(
+                    isJSDocSignature(declaration)
+                        ? (getJSDocHost(declaration) as SignatureDeclaration)
+                        : declaration,
+                    typeParameters,
+                    thisParameter,
+                    parameters,
+                    /*resolvedReturnType*/ undefined,
+                    /*resolvedTypePredicate*/ undefined,
+                    minArgumentCount,
+                    flags
+                );
             }
             return links.resolvedSignature;
         }