grep branch, master, updated. v2.21-85-g3e24e1d

[Jim Meyering]

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http://git.savannah.gnu.org/cgit/grep.git/commit/?id=3e24e1d86b4ccc53094208d599c8347716bda9c8


commit 3e24e1d86b4ccc53094208d599c8347716bda9c8
Author: Jim Meyering <address@hidden>
Date:   Sun Nov 1 15:38:23 2015 -0800

    tests: pcre-jitstack: upon failure, retry with no stack size limit
    
    * tests/pcre-jitstack: Don't let an example that provokes inordinate
    stack space use cause a test failure.  Thanks to reports from and
    analysis by Bruce Dubbs; see http://debbugs.gnu.org/21755

diff --git a/tests/pcre-jitstack b/tests/pcre-jitstack
index 03587f1..d9a5615 100755
--- a/tests/pcre-jitstack
+++ b/tests/pcre-jitstack
@@ -34,6 +34,19 @@ test $? -eq 0 || framework_failure_
 gzip -d pcrejit.txt || framework_failure_
 
 LC_ALL=C grep -P -n '^([/](?!/)|[^/])*~/.*' pcrejit.txt
-test $? -eq 1 || fail=1
+if test $? != 1; then
+    # The above often makes grep attempt to use an inordinate amount
+    # of stack space.  If grep fails with $? != 1, try gain, but this
+    # time with no soft limit:
+
+    # Use ulimit to remove that limit, if possible.
+    # If ulimit is not usable, just skip this test.
+    (ulimit -s unlimited; : ) || skip_ this shell lacks ulimit support
+
+    # Rerun that same test, but now with no limit on stack size:
+    (ulimit -s unlimited;
+     LC_ALL=C grep -P -n '^([/](?!/)|[^/])*~/.*' pcrejit.txt)
+    test $? = 1 || fail=1
+fi
 
 Exit $fail

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

Summary of changes:
 tests/pcre-jitstack |   15 ++++++++++++++-
 1 files changed, 14 insertions(+), 1 deletions(-)


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