[pcre-dev] [Bug 2555] New: Slowdown in 16/32 bit compiling

https://bugs.exim.org/show_bug.cgi?id=2555

            Bug ID: 2555
           Summary: Slowdown in 16/32 bit compiling
           Product: PCRE
           Version: 10.34 (PCRE2)
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: bug
          Priority: medium
         Component: Code
          Assignee: ph10@???
          Reporter: dangelog@???
                CC: pcre-dev@???

Created attachment 1290
--> https://bugs.exim.org/attachment.cgi?id=1290&action=edit
pcre2test input

Hi,

The attached pattern, found by fuzzing, compiles instantly using pcre2test -8,
and fails compilation with an error.

When using pcre2test -16 or -32 it still compiles extremely fast, but:
1) it gets accepted instead of rejected (am I misusing pcre2test?), and
2) it takes 5-10 seconds to get JIT compiled.

This is reproducible with 10.34 and 10.35-RC1.

Thanks,

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