diff --git a/src/Makefile b/src/Makefile
index 6c7ef85..7c2934a 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -686,8 +686,10 @@
 # 7. Open the objects/index.html file in a web browser to view the coverage
 #    information.
 #
-# PROFILE_CFLAGS=-g -O0 -fprofile-arcs -ftest-coverage
 # LDFLAGS=--coverage
+# PROFILE_CFLAGS=-g -O0 -fprofile-arcs -ftest-coverage -DWE_ARE_PROFILING -DUSE_GCOV_FLUSH
+# Alternate flags
+# PROFILE_CFLAGS=-g -O0 --coverage -DWE_ARE_PROFILING -DUSE_GCOV_FLUSH
 
 
 # Uncomment one of the next two lines to compile Vim with the
diff --git a/src/os_unix.c b/src/os_unix.c
index b5ae9f8..aea3d5a 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -3312,6 +3312,10 @@
     }
 }
 
+#ifdef USE_GCOV_FLUSH
+extern void __gcov_flush();
+#endif
+
     void
 mch_exit(int r)
 {
@@ -3358,6 +3362,12 @@
     }
     out_flush();
     ml_close_all(TRUE);		// remove all memfiles
+
+#ifdef USE_GCOV_FLUSH
+    // Flush coverage info before possibly being killed by a deadly signal.
+    __gcov_flush();
+#endif
+
     may_core_dump();
 #ifdef FEAT_GUI
     if (gui.in_use)
diff --git a/src/version.c b/src/version.c
index 317b344..799e846 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    739,
+/**/
     738,
 /**/
     737,