Fix optimization bugs for patterns starting with lookaheads.

git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1669 2f5784b3-3f2a-0410-8824-cb99058d5e15

6 files changed, 38 insertions, 1 deletions

diff --git a/testdata/testinput1 b/testdata/testinput1
index 8379ce0..93abab3 100644
--- a/testdata/testinput1
+++ b/testdata/testinput1
@@ -5733,4 +5733,10 @@ AbcdCBefgBhiBqz
 "(?|(\k'Pm')|(?'Pm'))"
     abcd
 
+/(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*[,;:])(?=.{8,16})(?!.*[\s])/
+    \  Fred:099
+
+/(?=.*X)X$/ 
+    \  X
+     
 /-- End of testinput1 --/
diff --git a/testdata/testinput2 b/testdata/testinput2
index 38346ef..08c6f39 100644
--- a/testdata/testinput2
+++ b/testdata/testinput2
@@ -4247,4 +4247,6 @@ backtracking verbs. --/
 
 /(?<R>abc)(?(R)xyz)/BZ
 
+/(?=.*[A-Z])/I
+
 /-- End of testinput2 --/
diff --git a/testdata/testinput6 b/testdata/testinput6
index a178d3d..22ed1e6 100644
--- a/testdata/testinput6
+++ b/testdata/testinput6
@@ -1562,4 +1562,10 @@
     \x{389}
     \x{20ac}
 
+/(?=.*b)\pL/
+    11bb
+    
+/(?(?=.*b)(?=.*b)\pL|.*c)/
+    11bb
+
 /-- End of testinput6 --/
diff --git a/testdata/testoutput1 b/testdata/testoutput1
index e852ab9..a2b3cff 100644
--- a/testdata/testoutput1
+++ b/testdata/testoutput1
@@ -9434,4 +9434,12 @@ No match
  0: 
  1: 
 
+/(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*[,;:])(?=.{8,16})(?!.*[\s])/
+    \  Fred:099
+ 0: 
+
+/(?=.*X)X$/ 
+    \  X
+ 0: X
+     
 /-- End of testinput1 --/
diff --git a/testdata/testoutput2 b/testdata/testoutput2
index 216bff8..811bbef 100644
--- a/testdata/testoutput2
+++ b/testdata/testoutput2
@@ -9380,7 +9380,7 @@ No need char
 /(?(?=.*b).*b|^d)/I
 Capturing subpattern count = 0
 No options
-First char at start or follows newline
+No first char
 No need char
 
 /xyz/C
@@ -14698,4 +14698,11 @@ Failed: assertion expected after (?( or (?(?C) at offset 4
         End
 ------------------------------------------------------------------
 
+/(?=.*[A-Z])/I
+Capturing subpattern count = 0
+May match empty string
+No options
+No first char
+No need char
+
 /-- End of testinput2 --/
diff --git a/testdata/testoutput6 b/testdata/testoutput6
index b64dc0d..422d383 100644
--- a/testdata/testoutput6
+++ b/testdata/testoutput6
@@ -2573,4 +2573,12 @@ No match
     \x{20ac}
 No match
 
+/(?=.*b)\pL/
+    11bb
+ 0: b
+    
+/(?(?=.*b)(?=.*b)\pL|.*c)/
+    11bb
+ 0: b
+
 /-- End of testinput6 --/