Make it a parse error for an @augments jsdoc tag to not include a type (#18745)

Author: Andy

src/compiler/parser.ts

@@ -6599,12 +6599,12 @@ namespace ts {
                     const result = <JSDocTypeTag>createNode(SyntaxKind.JSDocTypeTag, atToken.pos);
                     result.atToken = atToken;
                     result.tagName = tagName;
-                    result.typeExpression = parseJSDocTypeExpression(/*mayBail*/ true);
+                    result.typeExpression = parseJSDocTypeExpression(/*requireBraces*/ true);
                     return finishNode(result);
                 }
 
                 function parseAugmentsTag(atToken: AtToken, tagName: Identifier): JSDocAugmentsTag {
-                    const typeExpression = tryParseTypeExpression();
+                    const typeExpression = parseJSDocTypeExpression(/*requireBraces*/ true);
 
                     const result = <JSDocAugmentsTag>createNode(SyntaxKind.JSDocAugmentsTag, atToken.pos);
                     result.atToken = atToken;

src/harness/unittests/jsDocParsing.ts

@@ -144,6 +144,11 @@ namespace ts {
 `/**
 * @type
 */`);
+
+                parsesIncorrectly("@augments with no type",
+`/**
+ * @augments
+ */`);
             });
 
             describe("parsesCorrectly", () => {