Export zend_error_zstr_at()

This is the formerly static function zend_error_impl(), which is
the core error handling implementation.

Author: nikic

Zend/zend.c

@@ -1315,7 +1315,7 @@ ZEND_API zval *zend_get_configuration_directive(zend_string *name) /* {{{ */
 		} \
 	} while (0)
 
-static ZEND_COLD void zend_error_impl(
+ZEND_API ZEND_COLD void zend_error_zstr_at(
 		int orig_type, zend_string *error_filename, uint32_t error_lineno, zend_string *message)
 {
 	zval params[4];
@@ -1453,7 +1453,7 @@ static ZEND_COLD void zend_error_va_list(
 		const char *format, va_list args)
 {
 	zend_string *message = zend_vstrpprintf(0, format, args);
-	zend_error_impl(orig_type, error_filename, error_lineno, message);
+	zend_error_zstr_at(orig_type, error_filename, error_lineno, message);
 	zend_string_release(message);
 }
 
@@ -1570,7 +1570,7 @@ ZEND_API ZEND_COLD void zend_error_zstr(int type, zend_string *message) {
 	zend_string *filename;
 	uint32_t lineno;
 	get_filename_lineno(type, &filename, &lineno);
-	zend_error_impl(type, filename, lineno, message);
+	zend_error_zstr_at(type, filename, lineno, message);
 }
 
 ZEND_API ZEND_COLD void zend_throw_error(zend_class_entry *exception_ce, const char *format, ...) /* {{{ */

Zend/zend.h

@@ -333,6 +333,7 @@ ZEND_API ZEND_COLD void zend_error_unchecked(int type, const char *format, ...);
 ZEND_API ZEND_COLD void zend_error_at(int type, zend_string *filename, uint32_t lineno, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 4, 5);
 ZEND_API ZEND_COLD ZEND_NORETURN void zend_error_at_noreturn(int type, zend_string *filename, uint32_t lineno, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 4, 5);
 ZEND_API ZEND_COLD void zend_error_zstr(int type, zend_string *message);
+ZEND_API ZEND_COLD void zend_error_zstr_at(int type, zend_string *filename, uint32_t lineno, zend_string *message);
 
 ZEND_API ZEND_COLD void zend_throw_error(zend_class_entry *exception_ce, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
 ZEND_API ZEND_COLD void zend_type_error(const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 1, 2);