diff --git a/gl/malloca.valgrind b/gl/malloca.valgrind
--- /dev/null
+++ b/gl/malloca.valgrind
@@ -0,0 +1,7 @@
+# Suppress a valgrind message about use of uninitialized memory in freea().
+# This use is OK because it provides only a speedup.
+{
+ freea
+ Memcheck:Cond
+ fun:freea
+}