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Revert "Fix #81424: PCRE2 10.35 JIT performance regression"

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This reverts commit a2471383fe.

Fixing the performance regression, apparently fixes a functional
regression[1], so we revert for now.

[1] <https://github.com/PhilipHazel/pcre2/issues/21>

Closes GH-7556.
This commit is contained in:
Christoph M. Becker 2021-10-05 11:23:27 +02:00
parent 4c01bd2ade
commit a19f655b84
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2 changed files with 1 additions and 4 deletions
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3
NEWS
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@ -17,9 +17,6 @@ PHP NEWS
. Fixed bug #61700 (FILTER_FLAG_IPV6/FILTER_FLAG_NO_PRIV|RES_RANGE failing).
(cmb, Nikita)
- PCRE:
. Fixed bug #81424 (PCRE2 10.35 JIT performance regression). (cmb)
- SPL:
. Fixed bug #80663 (Recursive SplFixedArray::setSize() may cause double-free).
(cmb, Nikita, Tyson Andre)

2
ext/pcre/pcre2lib/pcre2_jit_compile.c
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@ -11152,7 +11152,7 @@ early_fail_type = (early_fail_ptr & 0x7);
early_fail_ptr >>= 3;
/* During recursion, these optimizations are disabled. */
if (common->early_fail_start_ptr == 0 && common->fast_forward_bc_ptr == NULL)
if (common->early_fail_start_ptr == 0)
{
early_fail_ptr = 0;
early_fail_type = type_skip;