grep branch, master, updated. v2.26-39-gae3f57c

[Jim Meyering]

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http://git.savannah.gnu.org/cgit/grep.git/commit/?id=ae3f57c99c3c7b89cc15448a3365e71795a1a21b


commit ae3f57c99c3c7b89cc15448a3365e71795a1a21b
Author: Jim Meyering <address@hidden>
Date:   Tue Nov 29 10:55:30 2016 -0800

    grep: fix DFA-induced infloop
    
    * gnulib: Update to latest, for the DFA infloop fix.
    * tests/dfa-infloop: New test, to trigger an infinite loop
    in the DFA matcher.
    * tests/Makefile.am (TESTS): Add it.

diff --git a/gnulib b/gnulib
index 9cba42f..ca3ca77 160000
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit 9cba42f87e1e88ac746e2341c51e78f9f640fefa
+Subproject commit ca3ca77fc9e497ff5048a9f1ee0d1acc8e050f51
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 442e85a..3ded7a7 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -85,6 +85,7 @@ TESTS =                                               \
   count-newline                                        \
   dfa-coverage                                 \
   dfa-heap-overrun                             \
+  dfa-infloop                                  \
   dfaexec-multibyte                            \
   empty                                                \
   empty-line                                   \
diff --git a/tests/dfa-infloop b/tests/dfa-infloop
new file mode 100755
index 0000000..e35eef5
--- /dev/null
+++ b/tests/dfa-infloop
@@ -0,0 +1,12 @@
+#!/bin/sh
+# This would infloop for some unreleased versions between 2.26 and 2.27
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_timeout_
+
+fail=0
+
+echo cx > in || framework_failure_
+returns_ 1 timeout 10 env LC_ALL=C grep -E 'c\b[x ]' in || fail=1
+
+Exit $fail

-----------------------------------------------------------------------

Summary of changes:
 gnulib            |    2 +-
 tests/Makefile.am |    1 +
 tests/dfa-infloop |   12 ++++++++++++
 3 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100755 tests/dfa-infloop


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