From 1d32d911228f87e28c3611f90fd3274717ee6b68 Mon Sep 17 00:00:00 2001
From: Karl Williamson <khw@cpan.org>
Date: Fri, 12 Sep 2014 14:40:03 -0600
Subject: [PATCH] regexp.h Remove unused bit placeholders

We do not need a placeholder for unused flag bits.  And removing them
makes the generated regnodes.h more accurate as to what bits are
available.
---
 regexp.h   |  7 +------
 regnodes.h | 14 +++++++-------
 2 files changed, 8 insertions(+), 13 deletions(-)

diff --git a/regexp.h b/regexp.h
index 5468f95..cf21c39 100644
--- a/regexp.h
+++ b/regexp.h
@@ -355,12 +355,7 @@ and check for NULL.
 #   error "RXf_SPLIT does not match RXf_PMf_SPLIT"
 #endif
 
-#define RXf_UNUSED0             (1<<(RXf_BASE_SHIFT+0))
-#define RXf_UNUSED1             (1<<(RXf_BASE_SHIFT+1))
-#define RXf_UNUSED2             (1<<(RXf_BASE_SHIFT+2))
-#define RXf_UNUSED3             (1<<(RXf_BASE_SHIFT+3))
-#define RXf_UNUSED4             (1<<(RXf_BASE_SHIFT+4))
-#define RXf_UNUSED5             (1<<(RXf_BASE_SHIFT+5))
+/* Unused +0 - +6 */
 
 /* What we have seen */
 #define RXf_NO_INPLACE_SUBST    (1<<(RXf_BASE_SHIFT+7))
diff --git a/regnodes.h b/regnodes.h
index 79eb829..ccec4d6 100644
--- a/regnodes.h
+++ b/regnodes.h
@@ -632,7 +632,7 @@ EXTCONST char * const PL_reg_name[] = {
 EXTCONST char * PL_reg_extflags_name[];
 #else
 EXTCONST char * const PL_reg_extflags_name[] = {
-	/* Bits in extflags defined: 11111111111111110111111111111111 */
+	/* Bits in extflags defined: 11111111111111110000000111111111 */
 	"MULTILINE",        /* 0x00000001 */
 	"SINGLELINE",       /* 0x00000002 */
 	"FOLD",             /* 0x00000004 */
@@ -642,12 +642,12 @@ EXTCONST char * const PL_reg_extflags_name[] = {
 	"CHARSET1",         /* 0x00000040 : "CHARSET" - 0x000000e0 */
 	"CHARSET2",         /* 0x00000080 : "CHARSET" - 0x000000e0 */
 	"SPLIT",            /* 0x00000100 */
-	"UNUSED0",          /* 0x00000200 */
-	"UNUSED1",          /* 0x00000400 */
-	"UNUSED2",          /* 0x00000800 */
-	"UNUSED3",          /* 0x00001000 */
-	"UNUSED4",          /* 0x00002000 */
-	"UNUSED5",          /* 0x00004000 */
+	"UNUSED_BIT_9",     /* 0x00000200 */
+	"UNUSED_BIT_10",    /* 0x00000400 */
+	"UNUSED_BIT_11",    /* 0x00000800 */
+	"UNUSED_BIT_12",    /* 0x00001000 */
+	"UNUSED_BIT_13",    /* 0x00002000 */
+	"UNUSED_BIT_14",    /* 0x00004000 */
 	"UNUSED_BIT_15",    /* 0x00008000 */
 	"NO_INPLACE_SUBST", /* 0x00010000 */
 	"EVAL_SEEN",        /* 0x00020000 */
-- 
1.8.3.1