From: Matthew Vernon <matthew@debian.org>
Date: Thu, 30 Nov 2017 15:37:30 +0000 (+0000)
Subject: Patch from MariaDB to fix stack frame size detection
X-Git-Tag: archive/debian/2%8.39-6~2
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~matthewv/git?a=commitdiff_plain;h=a1c9961364820d491470bba8fb48bf51b0c56895;p=pcre3.git

Patch from MariaDB to fix stack frame size detection

This comes via Ondřej Surý <ondrej@debian.org> in #878107. Upstream
don't consider it sufficiently important to fix, but it is causing us
issues.
---

diff --git a/pcre_exec.c b/pcre_exec.c
index 24b23ca..55230cd 100644
--- a/pcre_exec.c
+++ b/pcre_exec.c
@@ -509,6 +509,12 @@ Returns:       MATCH_MATCH if matched            )  these values are >= 0
                  (e.g. stopped by repeated call or recursion limit)
 */
 
+#ifdef __GNUC__
+static int
+match(REGISTER PCRE_PUCHAR eptr, REGISTER const pcre_uchar *ecode,
+  PCRE_PUCHAR mstart, int offset_top, match_data *md, eptrblock *eptrb,
+  unsigned int rdepth) __attribute__((noinline,noclone));
+#endif
 static int
 match(REGISTER PCRE_PUCHAR eptr, REGISTER const pcre_uchar *ecode,
   PCRE_PUCHAR mstart, int offset_top, match_data *md, eptrblock *eptrb,