Then if the JIT is on according to the pcre2_config() return value,
call pcre2_jit_match() later instead of pcre2_match() (and earlier
jit_compile, jit stack etc.).
The problem is that if the pattern has (*NO_JIT) in it calling
pcre2_jit_match() will segfault, which I get, it says "no JIT" so
presumably some internal thing didn't compile the appropriate
structures.
But I can't find any way to figure out from pcre2_config() or anything
else whether the string I just compiled contains (*NO_JIT). Is there
such an API, or do I need to do a string match against the pattern
itself?
