Ignore the catch clause when testing regular expressions
Ignore the catch clause when testing regular expressions

In a JavaScript environment that supports all regular expression flags,
the catch clause has no effect and thus shall be ignored.

Fixes #1512
Closes gh-1513

bcbcarl/esprima,ChromeDevTools/esprima,ariya/esprima,jquery/esprima,ChromeDevTools/esprima,ariya/esprima,bcbcarl/esprima,jquery/esprima,jquery/esprima,ariya/esprima,bcbcarl/esprima,ChromeDevTools/esprima