composer -v

Fatal error: Uncaught ErrorException: preg_match(): JIT compilation failed: no more memory in phar:///usr/local/bin/composer/vendor/symfony/console/Application.php:767
Stack trace:
#0 [internal function]: Composer\Util\ErrorHandler::handle(2, 'preg_match(): J...', 'phar:///usr/loc...', 767, Array)
#1 phar:///usr/local/bin/composer/vendor/symfony/console/Application.php(767): preg_match('/;.(\d+).rows;....', 'speed 9600 baud...', Array)
#2 phar:///usr/local/bin/composer/vendor/symfony/console/Application.php(722): Symfony\Component\Console\Application->getTerminalDimensions()
#3 phar:///usr/local/bin/composer/vendor/symfony/console/Application.php(656): Symfony\Component\Console\Application->getTerminalWidth()
#4 phar:///usr/local/bin/composer/vendor/symfony/console/Application.php(127): Symfony\Component\Console\Application->renderException(Object(ErrorException), Object(Symfony\Component\Console\Output\StreamOutput))
#5 phar:///usr/local/bin/composer/src/Composer/Console/Application.php(100): Symfony\Component\Console\A in phar:///usr/local/bin/composer/vendor/symfony/console/Application.php on line 767

mac: 10.13.6
PHP: 7.3.1