Upstream requires pcre2 version 10.30

This patch allow 10.23 and set /X default behavior

so bad escape raise a compile failure

diff -ru php-7.3.7-old/ext/pcre/config0.m4 php-7.3.7/ext/pcre/config0.m4

--- php-7.3.7-old/ext/pcre/config0.m4	2019-07-03 13:30:28.000000000 +0200

+++ php-7.3.7/ext/pcre/config0.m4	2019-07-10 17:23:11.963935030 +0200

@@ -16,12 +16,12 @@ PHP_ARG_WITH(pcre-jit,,[  --with-pcre-ji

         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)

       fi

       if test -x "$PKG_CONFIG"; then

-        AC_MSG_CHECKING(for PCRE2 10.30 or greater)

-        if $PKG_CONFIG --atleast-version 10.30 libpcre2-8; then

+        AC_MSG_CHECKING(for PCRE2 10.23 or greater)

+        if $PKG_CONFIG --atleast-version 10.23 libpcre2-8; then

           PCRE2_VER=`$PKG_CONFIG --modversion libpcre2-8`

           AC_MSG_RESULT($PCRE2_VER)

         else

-          AC_MSG_ERROR(PCRE2 version 10.30 or later is required to compile php with PCRE2 support)

+          AC_MSG_ERROR(PCRE2 version 10.23 or later is required to compile php with PCRE2 support)

         fi

         PCRE2_LIB=`$PKG_CONFIG --libs libpcre2-8`

         PCRE2_INC=`$PKG_CONFIG --cflags libpcre2-8`

@@ -33,10 +33,10 @@ PHP_ARG_WITH(pcre-jit,,[  --with-pcre-ji

     if test -z "$PCRE2_LIB"; then

       PCRE2_CONF=$PHP_PCRE_REGEX/bin/pcre2-config

       if test -x "$PCRE2_CONF"; then

-        AC_MSG_CHECKING(for PCRE2 10.30 or greater)

+        AC_MSG_CHECKING(for PCRE2 10.23 or greater)

         PCRE2_VER=`$PCRE2_CONF --version`

-        if test "`echo $PCRE2_VER | $SED 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1\2/g'`" -lt "1030"; then

-          AC_MSG_ERROR(PCRE2 version 10.30 or later is required to compile php with PCRE2 support)

+        if test "`echo $PCRE2_VER | $SED 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1\2/g'`" -lt "1023"; then

+          AC_MSG_ERROR(PCRE2 version 10.23 or later is required to compile php with PCRE2 support)

         else

           AC_MSG_RESULT($PCRE2_VER)

         fi

diff -ru php-7.3.7-old/ext/pcre/php_pcre.c php-7.3.7/ext/pcre/php_pcre.c

--- php-7.3.7-old/ext/pcre/php_pcre.c	2019-07-03 13:30:28.000000000 +0200

+++ php-7.3.7/ext/pcre/php_pcre.c	2019-07-11 09:02:59.310972410 +0200

@@ -51,7 +51,6 @@ struct _pcre_cache_entry {

 	uint32_t capture_count;

 	uint32_t name_count;

 	uint32_t compile_options;

-	uint32_t extra_compile_options;

 	uint32_t refcount;

 };

@@ -161,7 +160,6 @@ static void php_pcre_free(void *block, v

 	pefree(block, 1);

 }/*}}}*/

-#define PHP_PCRE_DEFAULT_EXTRA_COPTIONS PCRE2_EXTRA_BAD_ESCAPE_IS_LITERAL

 #define PHP_PCRE_PREALLOC_MDATA_SIZE 32

 static void php_pcre_init_pcre2(uint8_t jit)

@@ -182,12 +180,6 @@ static void php_pcre_init_pcre2(uint8_t

 		}

 	}

-	/* XXX The 'X' modifier is the default behavior in PCRE2. This option is

-		called dangerous in the manual, as typos in patterns can cause

-		unexpected results. We might want to to switch to the default PCRE2

-		behavior, too, thus causing a certain BC break. */

-	pcre2_set_compile_extra_options(cctx, PHP_PCRE_DEFAULT_EXTRA_COPTIONS);

-

 	if (!mctx) {

 		mctx = pcre2_match_context_create(gctx);

 		if (!mctx) {

@@ -297,7 +289,7 @@ static PHP_INI_MH(OnUpdateRecursionLimit

 {/*{{{*/

 	OnUpdateLong(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage);

 	if (mctx) {

-		pcre2_set_depth_limit(mctx, (uint32_t)PCRE_G(recursion_limit));

+		pcre2_set_recursion_limit(mctx, (uint32_t)PCRE_G(recursion_limit));

 	}

 	return SUCCESS;

@@ -531,7 +523,6 @@ PHPAPI pcre_cache_entry* pcre_get_compil

 {

 	pcre2_code			*re = NULL;

 	uint32_t			 coptions = 0;

-	uint32_t			 extra_coptions = PHP_PCRE_DEFAULT_EXTRA_COPTIONS;

 	PCRE2_UCHAR	         error[128];

 	PCRE2_SIZE           erroffset;

 	int                  errnumber;

@@ -679,7 +670,7 @@ PHPAPI pcre_cache_entry* pcre_get_compil

 			case 'D':	coptions |= PCRE2_DOLLAR_ENDONLY;break;

 			case 'S':	/* Pass. */					break;

 			case 'U':	coptions |= PCRE2_UNGREEDY;		break;

-			case 'X':	extra_coptions &= ~PCRE2_EXTRA_BAD_ESCAPE_IS_LITERAL;			break;

+			case 'X':	break;

 			case 'u':	coptions |= PCRE2_UTF;

 	/* In  PCRE,  by  default, \d, \D, \s, \S, \w, and \W recognize only ASCII

        characters, even in UTF-8 mode. However, this can be changed by setting

@@ -748,19 +739,9 @@ PHPAPI pcre_cache_entry* pcre_get_compil

 	}

 #endif

-	/* Set extra options for the compile context. */

-	if (PHP_PCRE_DEFAULT_EXTRA_COPTIONS != extra_coptions) {

-		pcre2_set_compile_extra_options(cctx, extra_coptions);

-	}

-

 	/* Compile pattern and display a warning if compilation failed. */

 	re = pcre2_compile((PCRE2_SPTR)pattern, pattern_len, coptions, &errnumber, &erroffset, cctx);

-	/* Reset the compile context extra options to default. */

-	if (PHP_PCRE_DEFAULT_EXTRA_COPTIONS != extra_coptions) {

-		pcre2_set_compile_extra_options(cctx, PHP_PCRE_DEFAULT_EXTRA_COPTIONS);

-	}

-

 	if (re == NULL) {

 #if HAVE_SETLOCALE

 		if (key != regex) {

@@ -812,7 +793,6 @@ PHPAPI pcre_cache_entry* pcre_get_compil

 	new_entry.re = re;

 	new_entry.preg_options = poptions;

 	new_entry.compile_options = coptions;

-	new_entry.extra_compile_options = extra_coptions;

 	new_entry.refcount = 0;

 	rc = pcre2_pattern_info(re, PCRE2_INFO_CAPTURECOUNT, &new_entry.capture_count);