grep: fix -w match if first match isn't a word, but second is. Closes 4520

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/testsuite/grep.tests b/testsuite/grep.tests
index 74b0eb63f..323b3849d 100755
--- a/testsuite/grep.tests
+++ b/testsuite/grep.tests
@@ -165,6 +165,12 @@ testing "grep -w word doesn't match wordword" \
         "wordword\n" \
         ""
 
+testing "grep -w word match second word" \
+        "grep -w word input" \
+        "bword,word\n""wordb,word\n""bwordb,word\n" \
+        "bword,word\n""wordb,word\n""bwordb,word\n" \
+        ""
+
 # testing "test name" "commands" "expected result" "file input" "stdin"
 #   file input will be file called "input"
 #   test can create a file "actual" instead of writing to stdout