Blame pcre-8.41-fix_stack_estimator.patch
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From 0ad3618f226deee531bcced057afa1b52d5b41f5 Mon Sep 17 00:00:00 2001
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From: Sergei Golubchik <vuvova@gmail.com>
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Date: Wed, 14 Aug 2019 12:09:30 +0400
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Subject: [PATCH] Fix recursion stack estimator
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Due to inlining match() by recent GCC, the stack estimator reported 4-bytes
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stack consumption.
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Author: Sergei Golubchik <vuvova@gmail.com>
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<https://bugs.exim.org/show_bug.cgi?id=2173>
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---
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pcre_exec.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/pcre_exec.c b/pcre_exec.c
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index 3fd58cb..2b4d704 100644
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--- a/pcre_exec.c
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+++ b/pcre_exec.c
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@@ -509,6 +509,12 @@ Returns: MATCH_MATCH if matched ) these values are >= 0
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(e.g. stopped by repeated call or recursion limit)
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*/
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+#ifdef __GNUC__
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+static int
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+match(REGISTER PCRE_PUCHAR eptr, REGISTER const pcre_uchar *ecode,
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+ PCRE_PUCHAR mstart, int offset_top, match_data *md, eptrblock *eptrb,
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+ unsigned int rdepth) __attribute__((noinline,noclone));
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+#endif
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static int
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match(REGISTER PCRE_PUCHAR eptr, REGISTER const pcre_uchar *ecode,
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PCRE_PUCHAR mstart, int offset_top, match_data *md, eptrblock *eptrb,
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--
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2.23.0.rc1
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