grep branch, master, updated. v3.4-almost-49-g17af3bd

[Jim Meyering]

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http://git.savannah.gnu.org/cgit/grep.git/commit/?id=17af3bd4db8af322830d39747c004da5e0875e99


commit 17af3bd4db8af322830d39747c004da5e0875e99
Author: Jim Meyering <meyering@fb.com>
Date:   Sat Sep 26 17:46:34 2020 -0700

    tests: skip stack-overflow test when built with ASAN
    
    * tests/stack-overflow: Skip this test when the binary was built
    with ASAN, to avoid spurious failures.

diff --git a/tests/stack-overflow b/tests/stack-overflow
index 4d612ec..d4d4b43 100755
--- a/tests/stack-overflow
+++ b/tests/stack-overflow
@@ -8,6 +8,15 @@ case $host_triplet in
     skip_ 'our stack-overflow detection does not work on this system';;
 esac
 
+# When compiled with ASAN, skip this test, because (on Fedora 32) it
+# would fail due to output like this on stderr:
+# +==2176827==WARNING: ASan is ignoring requested __asan_handle_no_return:
+#   stack top: 0x7ffc48f20000; bottom 0x000000e25000; size: 0x7ffc480fb000 
(140721517473792)
+# +False positive error reports may follow
+# +For details see https://github.com/google/sanitizers/issues/189
+ASAN_OPTIONS=help=true grep --version 2>&1 | grep -q AddressSanitizer \
+  && skip_ 'avoid false failure when built with ASAN'
+
 echo grep: stack overflow > exp || framework_failure_
 
 # Limit stack size.  Otherwise, it appears to be too hard to overflow the

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

Summary of changes:
 tests/stack-overflow | 9 +++++++++
 1 file changed, 9 insertions(+)


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