diff --git a/Makefile.am b/Makefile.am
index bc40c8c..a591c52 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -531,6 +531,10 @@ noinst_PROGRAMS += pcre2fuzzcheck
 pcre2fuzzcheck_SOURCES = src/pcre2_fuzzsupport.c
 pcre2fuzzcheck_CFLAGS = -DSTANDALONE $(AM_CFLAGS)
 pcre2fuzzcheck_LDADD = libpcre2-8.la
+if WITH_GCOV
+pcre2fuzzcheck_CFLAGS += $(GCOV_CFLAGS)
+pcre2fuzzcheck_LDADD += $(GCOV_LIBS)
+endif # WITH_GCOV
 endif # WITH FUZZ_SUPPORT
 endif # WITH_PCRE2_8
 
diff --git a/testdata/testinput4 b/testdata/testinput4
index c8e9d69..e67dfed 100644
--- a/testdata/testinput4
+++ b/testdata/testinput4
@@ -2434,6 +2434,14 @@
     \x{1cf7}\x{0993}               Common-extend-Beng Bengali
     A\x{1abe}BC                    Test enclosing mark
     \x{0370}\x{1abe}\x{0371}       Which can occur with any script (Greek here)
+    \x{3001}\x{adf9}\x{3001}       [.. Hangul ..] Hangul [.. Hangul ..]
+    \x{3400}\x{3001}XXX            Han [Han etc.]
+    \x{3400}\x{1cd5}               Han [Bengali Devanagari]
+    \x{ac01}\x{3400}               Hangul [.. Hangul ..]
+    \x{ac01}\x{1cd5}               Hangul [Bengali Devanagari]
+    \x{102e0}\x{06d4}\x{1ee4d}     [Arabic Coptic] [Arab Rohingya] Arabic
+    \x{102e0}\x{06d4}\x{2cc9}      [Arabic Coptic] [Arab Rohingya] Coptic
+    \x{102e0}\x{06d4}\x{10d30}     [Arabic Coptic] [Arab Rohingya] Rohingya
     
 # Test loop breaking for empty string match
 
diff --git a/testdata/testoutput4 b/testdata/testoutput4
index bef3111..1199885 100644
--- a/testdata/testoutput4
+++ b/testdata/testoutput4
@@ -3940,6 +3940,22 @@ No match
  0: A\x{1abe}BC
     \x{0370}\x{1abe}\x{0371}       Which can occur with any script (Greek here)
  0: \x{370}\x{1abe}\x{371}
+    \x{3001}\x{adf9}\x{3001}       [.. Hangul ..] Hangul [.. Hangul ..]
+ 0: \x{3001}\x{adf9}\x{3001}
+    \x{3400}\x{3001}XXX            Han [Han etc.]
+ 0: \x{3400}\x{3001}
+    \x{3400}\x{1cd5}               Han [Bengali Devanagari]
+ 0: \x{3400}
+    \x{ac01}\x{3400}               Hangul [.. Hangul ..]
+ 0: \x{ac01}\x{3400}
+    \x{ac01}\x{1cd5}               Hangul [Bengali Devanagari]
+ 0: \x{ac01}
+    \x{102e0}\x{06d4}\x{1ee4d}     [Arabic Coptic] [Arab Rohingya] Arabic
+ 0: \x{102e0}\x{6d4}\x{1ee4d}
+    \x{102e0}\x{06d4}\x{2cc9}      [Arabic Coptic] [Arab Rohingya] Coptic
+ 0: \x{102e0}\x{6d4}
+    \x{102e0}\x{06d4}\x{10d30}     [Arabic Coptic] [Arab Rohingya] Rohingya
+ 0: \x{102e0}\x{6d4}
     
 # Test loop breaking for empty string match