public final GccDeclaratorExtensionContext gccDeclaratorExtension() throws RecognitionException {
		GccDeclaratorExtensionContext _localctx = new GccDeclaratorExtensionContext(_ctx, getState());
		enterRule(_localctx, 98, RULE_gccDeclaratorExtension);
		int _la;
		try {
			setState(775);
			switch (_input.LA(1)) {
			case 6:
				enterOuterAlt(_localctx, 1);
				{
				setState(766); match(6);
				setState(767); match(LeftParen);
				setState(769); 
				_errHandler.sync(this);
				_la = _input.LA(1);
				do {
					{
					{
					setState(768); match(StringLiteral);
					}
					}
					setState(771); 
					_errHandler.sync(this);
					_la = _input.LA(1);
				} while ( _la==StringLiteral );
				setState(773); match(RightParen);
				}
				break;
			case 11:
				enterOuterAlt(_localctx, 2);
				{
				setState(774); gccAttributeSpecifier();
				}
				break;
			default:
				throw new NoViableAltException(this);
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			exitRule();
		}
		return _localctx;
	}