bpo-31690: Allow the inline flags "a", "L", and "u" to be used as group flags for RE. (#3885)

diff --git a/Modules/sre_constants.h b/Modules/sre_constants.h
index 6d6d21e..c8ccb32 100644
--- a/Modules/sre_constants.h
+++ b/Modules/sre_constants.h
@@ -11,7 +11,7 @@
  * See the _sre.c file for information on usage and redistribution.
  */
 
-#define SRE_MAGIC 20170530
+#define SRE_MAGIC 20171005
 #define SRE_OP_FAILURE 0
 #define SRE_OP_SUCCESS 1
 #define SRE_OP_ANY 2
@@ -26,28 +26,33 @@
 #define SRE_OP_BIGCHARSET 11
 #define SRE_OP_GROUPREF 12
 #define SRE_OP_GROUPREF_EXISTS 13
-#define SRE_OP_GROUPREF_IGNORE 14
-#define SRE_OP_IN 15
-#define SRE_OP_IN_IGNORE 16
-#define SRE_OP_INFO 17
-#define SRE_OP_JUMP 18
-#define SRE_OP_LITERAL 19
-#define SRE_OP_LITERAL_IGNORE 20
-#define SRE_OP_MARK 21
-#define SRE_OP_MAX_UNTIL 22
-#define SRE_OP_MIN_UNTIL 23
-#define SRE_OP_NOT_LITERAL 24
-#define SRE_OP_NOT_LITERAL_IGNORE 25
-#define SRE_OP_NEGATE 26
-#define SRE_OP_RANGE 27
-#define SRE_OP_REPEAT 28
-#define SRE_OP_REPEAT_ONE 29
-#define SRE_OP_SUBPATTERN 30
-#define SRE_OP_MIN_REPEAT_ONE 31
-#define SRE_OP_RANGE_IGNORE 32
-#define SRE_OP_LITERAL_LOC_IGNORE 33
-#define SRE_OP_NOT_LITERAL_LOC_IGNORE 34
-#define SRE_OP_IN_LOC_IGNORE 35
+#define SRE_OP_IN 14
+#define SRE_OP_INFO 15
+#define SRE_OP_JUMP 16
+#define SRE_OP_LITERAL 17
+#define SRE_OP_MARK 18
+#define SRE_OP_MAX_UNTIL 19
+#define SRE_OP_MIN_UNTIL 20
+#define SRE_OP_NOT_LITERAL 21
+#define SRE_OP_NEGATE 22
+#define SRE_OP_RANGE 23
+#define SRE_OP_REPEAT 24
+#define SRE_OP_REPEAT_ONE 25
+#define SRE_OP_SUBPATTERN 26
+#define SRE_OP_MIN_REPEAT_ONE 27
+#define SRE_OP_GROUPREF_IGNORE 28
+#define SRE_OP_IN_IGNORE 29
+#define SRE_OP_LITERAL_IGNORE 30
+#define SRE_OP_NOT_LITERAL_IGNORE 31
+#define SRE_OP_GROUPREF_LOC_IGNORE 32
+#define SRE_OP_IN_LOC_IGNORE 33
+#define SRE_OP_LITERAL_LOC_IGNORE 34
+#define SRE_OP_NOT_LITERAL_LOC_IGNORE 35
+#define SRE_OP_GROUPREF_UNI_IGNORE 36
+#define SRE_OP_IN_UNI_IGNORE 37
+#define SRE_OP_LITERAL_UNI_IGNORE 38
+#define SRE_OP_NOT_LITERAL_UNI_IGNORE 39
+#define SRE_OP_RANGE_UNI_IGNORE 40
 #define SRE_AT_BEGINNING 0
 #define SRE_AT_BEGINNING_LINE 1
 #define SRE_AT_BEGINNING_STRING 2