Revert "regcomp.c: Add a constant 0 element before inversion lists"

This reverts commit 533c4e2f08b42d977e5004e823d4849f7473d2d0.
This continues the backing out of this topic branch.  A bisect shows
that the first commit exhibiting an error is the first one in the
branch.

1 files changed, 110 insertions, 140 deletions

diff --git a/charclass_invlists.h b/charclass_invlists.h
index 690526dd6e..b5d71afb16 100644
--- a/charclass_invlists.h
+++ b/charclass_invlists.h
@@ -13,11 +13,11 @@ static UV Latin1_invlist[] = {
 	2,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	0,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
-	256
+	290655244, /* Version and data structure type */
+	0,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
+	256,
+	0
 };
 
 #endif
@@ -28,10 +28,9 @@ static UV AboveLatin1_invlist[] = {
 	1,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	256
 };
 
@@ -43,11 +42,11 @@ static UV ASCII_invlist[] = {
 	2,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	0,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
-	128
+	290655244, /* Version and data structure type */
+	0,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
+	128,
+	0
 };
 
 #endif
@@ -58,10 +57,9 @@ static UV L1Cased_invlist[] = {
 	16,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	65,
 	91,
 	97,
@@ -88,10 +86,9 @@ static UV VertSpace_invlist[] = {
 	6,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	10,
 	14,
 	133,
@@ -108,10 +105,9 @@ static UV PerlSpace_invlist[] = {
 	4,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	9,
 	14,
 	32,
@@ -126,10 +122,9 @@ static UV XPerlSpace_invlist[] = {
 	22,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	9,
 	14,
 	32,
@@ -162,10 +157,9 @@ static UV PosixAlnum_invlist[] = {
 	6,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	48,
 	58,
 	65,
@@ -182,10 +176,9 @@ static UV L1PosixAlnum_invlist[] = {
 	18,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	48,
 	58,
 	65,
@@ -214,10 +207,9 @@ static UV PosixAlpha_invlist[] = {
 	4,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	65,
 	91,
 	97,
@@ -232,10 +224,9 @@ static UV L1PosixAlpha_invlist[] = {
 	16,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	65,
 	91,
 	97,
@@ -262,10 +253,9 @@ static UV PosixBlank_invlist[] = {
 	4,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	9,
 	10,
 	32,
@@ -280,10 +270,9 @@ static UV XPosixBlank_invlist[] = {
 	18,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	9,
 	10,
 	32,
@@ -312,13 +301,13 @@ static UV PosixCntrl_invlist[] = {
 	4,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	0,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	0,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	32,
 	127,
-	128
+	128,
+	0
 };
 
 #endif
@@ -329,13 +318,13 @@ static UV XPosixCntrl_invlist[] = {
 	4,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	0,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	0,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	32,
 	127,
-	160
+	160,
+	0
 };
 
 #endif
@@ -346,10 +335,9 @@ static UV PosixDigit_invlist[] = {
 	2,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	48,
 	58
 };
@@ -362,10 +350,9 @@ static UV PosixGraph_invlist[] = {
 	2,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	33,
 	127
 };
@@ -378,10 +365,9 @@ static UV L1PosixGraph_invlist[] = {
 	4,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	33,
 	127,
 	161,
@@ -396,10 +382,9 @@ static UV PosixLower_invlist[] = {
 	2,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	97,
 	123
 };
@@ -412,10 +397,9 @@ static UV L1PosixLower_invlist[] = {
 	12,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	97,
 	123,
 	170,
@@ -438,10 +422,9 @@ static UV PosixPrint_invlist[] = {
 	2,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	32,
 	127
 };
@@ -454,10 +437,9 @@ static UV L1PosixPrint_invlist[] = {
 	4,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	32,
 	127,
 	160,
@@ -472,10 +454,9 @@ static UV PosixPunct_invlist[] = {
 	8,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	33,
 	48,
 	58,
@@ -494,10 +475,9 @@ static UV L1PosixPunct_invlist[] = {
 	20,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	33,
 	48,
 	58,
@@ -528,10 +508,9 @@ static UV PosixSpace_invlist[] = {
 	4,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	9,
 	14,
 	32,
@@ -546,10 +525,9 @@ static UV XPosixSpace_invlist[] = {
 	22,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	9,
 	14,
 	32,
@@ -582,10 +560,9 @@ static UV PosixUpper_invlist[] = {
 	2,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	65,
 	91
 };
@@ -598,10 +575,9 @@ static UV L1PosixUpper_invlist[] = {
 	6,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	65,
 	91,
 	192,
@@ -618,10 +594,9 @@ static UV PosixWord_invlist[] = {
 	8,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	48,
 	58,
 	65,
@@ -640,10 +615,9 @@ static UV L1PosixWord_invlist[] = {
 	20,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	48,
 	58,
 	65,
@@ -674,10 +648,9 @@ static UV PosixXDigit_invlist[] = {
 	6,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	48,
 	58,
 	65,
@@ -694,10 +667,9 @@ static UV XPosixXDigit_invlist[] = {
 	12,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	48,
 	58,
 	65,
@@ -718,10 +690,9 @@ static UV NonL1_Perl_Non_Final_Folds_invlist[] = {
 	44,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	700,
 	701,
 	776,
@@ -774,10 +745,9 @@ static UV _Perl_Multi_Char_Folds_invlist[] = {
 	58,	/* Number of elements */
 	0,	/* Current iteration position */
 	0,	/* Cache of previous search index result */
-	1039476070, /* Version and data structure type */
-	1,	/* 0 if the list starts at 0;
-		   1 if it starts at the element beyond 0 */
-	0,
+	290655244, /* Version and data structure type */
+	1,	/* 0 if this is the first element of the list proper;
+		   1 if the next element is the first */
 	223,
 	224,
 	304,