Merge branch 'rickard/pcre-8.40'

OTP-14331

* rickard/pcre-8.40:
  Update documentation
  Update README.pcre_update.md
  Stack guard for PCRE
  Adjust for incompatibility between PCRE 8.40 and perl 5.22.1
  Generate re replacement and split tests with perl vsn 5.22.1
  Fix re_SUITE:pcre_compile_workspace_overflow/1
  Skip line with lockout of modifiers in PCRE tests
  Update tests for PCRE version 8.40
  Update PCRE to version 8.40

Conflicts:
	erts/emulator/beam/beam_debug.c

1 files changed, 80 insertions, 22 deletions

diff --git a/lib/stdlib/test/re_SUITE_data/testoutput10 b/lib/stdlib/test/re_SUITE_data/testoutput10
index c1c85f9a3b..5a4fbb2366 100644
--- a/lib/stdlib/test/re_SUITE_data/testoutput10
+++ b/lib/stdlib/test/re_SUITE_data/testoutput10
@@ -63,6 +63,7 @@ Memory allocation (code space): 7
   6     End
 ------------------------------------------------------------------
 Capturing subpattern count = 0
+May match empty string
 Options: extended
 No first char
 No need char
@@ -99,15 +100,13 @@ Memory allocation (code space): 9
 ------------------------------------------------------------------
 
 /x{1,3}+/BM 
-Memory allocation (code space): 19
+Memory allocation (code space): 13
 ------------------------------------------------------------------
-  0  15 Bra
-  3   9 Once
-  6     x
-  8     x{0,2}
- 12   9 Ket
- 15  15 Ket
- 18     End
+  0   9 Bra
+  3     x
+  5     x{0,2}+
+  9   9 Ket
+ 12     End
 ------------------------------------------------------------------
 
 /(x)*+/BM
@@ -138,7 +137,7 @@ Memory allocation (code space): 120
  66     [bc]+
 100  39 Ket
 103   7 CBra 5
-108     \w*
+108     \w*+
 110   7 Ket
 113 109 Ket
 116 116 Ket
@@ -232,7 +231,7 @@ Memory allocation (code space): 45
 ------------------------------------------------------------------
 
 /(?P<a>a)...(?P=a)bbb(?P>a)d/BM
-Memory allocation (code space): 34
+Memory allocation (code space): 62
 ------------------------------------------------------------------
   0  30 Bra
   3   7 CBra 1
@@ -327,7 +326,7 @@ Memory allocation (code space): 12
 ------------------------------------------------------------------
 
 /\x{110000}/8BM
-Failed: character value in \x{...} sequence is too large at offset 9
+Failed: character value in \x{} or \o{} is too large at offset 9
 
 /[\x{ff}]/8BM
 Memory allocation (code space): 10
@@ -503,7 +502,7 @@ Memory allocation (code space): 15
 Memory allocation (code space): 48
 ------------------------------------------------------------------
   0  44 Bra
-  3     [+\-\p{Nd}]+
+  3     [+\-\p{Nd}]++
  44  44 Ket
  47     End
 ------------------------------------------------------------------
@@ -651,24 +650,24 @@ Memory allocation (code space): 10
 
 /[[:^alpha:][:^cntrl:]]+/8WB
 ------------------------------------------------------------------
-  0  44 Bra
-  3     [ -~\x80-\xff\P{L}]+
- 44  44 Ket
- 47     End
+  0  51 Bra
+  3     [ -~\x80-\xff\P{L}\x{100}-\x{10ffff}]++
+ 51  51 Ket
+ 54     End
 ------------------------------------------------------------------
 
 /[[:^cntrl:][:^alpha:]]+/8WB
 ------------------------------------------------------------------
-  0  44 Bra
-  3     [ -~\x80-\xff\P{L}]+
- 44  44 Ket
- 47     End
+  0  51 Bra
+  3     [ -~\x80-\xff\x{100}-\x{10ffff}\P{L}]++
+ 51  51 Ket
+ 54     End
 ------------------------------------------------------------------
 
 /[[:alpha:]]+/8WB
 ------------------------------------------------------------------
   0  12 Bra
-  3     [\p{L}]+
+  3     [\p{L}]++
  12  12 Ket
  15     End
 ------------------------------------------------------------------
@@ -676,7 +675,7 @@ Memory allocation (code space): 10
 /[[:^alpha:]\S]+/8WB
 ------------------------------------------------------------------
   0  15 Bra
-  3     [\P{L}\P{Xsp}]+
+  3     [\P{L}\P{Xsp}]++
  15  15 Ket
  18     End
 ------------------------------------------------------------------
@@ -710,4 +709,63 @@ Memory allocation (code space): 10
  76     End
 ------------------------------------------------------------------
 
+/(((a\2)|(a*)\g<-1>))*a?/B
+------------------------------------------------------------------
+  0  57 Bra
+  3     Brazero
+  4  48 SCBra 1
+  9  40 Once
+ 12  18 CBra 2
+ 17  10 CBra 3
+ 22     a
+ 24     \2
+ 27  10 Ket
+ 30  16 Alt
+ 33   7 CBra 4
+ 38     a*
+ 40   7 Ket
+ 43  33 Recurse
+ 46  34 Ket
+ 49  40 Ket
+ 52  48 KetRmax
+ 55     a?+
+ 57  57 Ket
+ 60     End
+------------------------------------------------------------------
+
+/((?+1)(\1))/B
+------------------------------------------------------------------
+  0  31 Bra
+  3  25 Once
+  6  19 CBra 1
+ 11  14 Recurse
+ 14   8 CBra 2
+ 19     \1
+ 22   8 Ket
+ 25  19 Ket
+ 28  25 Ket
+ 31  31 Ket
+ 34     End
+------------------------------------------------------------------
+
+/.((?2)(?R)\1)()/B
+------------------------------------------------------------------
+  0  35 Bra
+  3     Any
+  4  20 Once
+  7  14 CBra 1
+ 12  27 Recurse
+ 15   0 Recurse
+ 18     \1
+ 21  14 Ket
+ 24  20 Ket
+ 27   5 CBra 2
+ 32   5 Ket
+ 35  35 Ket
+ 38     End
+------------------------------------------------------------------
+
+/([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00]([00](*ACCEPT)/
+Failed: missing ) at offset 509
+
 /-- End of testinput11 --/