diff --git a/include/alloca.h b/include/alloca.h
new file mode 100644
index 0000000000000000000000000000000000000000..047153c47623e2c675fc8def1228c749091c8f49
--- /dev/null
+++ b/include/alloca.h
@@ -0,0 +1,6 @@
+#ifndef _ALLOCA_H
+#define _ALLOCA_H
+
+#define alloca(size) __builtin_alloca (size)
+
+#endif /* _ALLOCA_H */
diff --git a/tests/Makefile b/tests/Makefile
index 2a8cb5aefce53abd421bb08c786a9750218fd420..5a96c99b84da51cfd2054c211ccc5092bf79ffb6 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -1,5 +1,6 @@
 # Binaries that should generate the same output every time
 EXPECT_BINS=\
+	alloca \
 	args \
 	arpainet \
 	assert \
diff --git a/tests/alloca.c b/tests/alloca.c
new file mode 100644
index 0000000000000000000000000000000000000000..990bd49b356a3ba7e135556b0673e56c0183b5ff
--- /dev/null
+++ b/tests/alloca.c
@@ -0,0 +1,12 @@
+#include <alloca.h>
+#include <stdio.h>
+#include <string.h>
+
+int main(int argc, char ** argv) {
+    char *str = (char *) alloca(17);
+
+    memset(str, 'A', 16);
+    str[16] = '\0';
+
+    printf("%s\n", str);
+}
diff --git a/tests/expected/alloca.stderr b/tests/expected/alloca.stderr
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/tests/expected/alloca.stdout b/tests/expected/alloca.stdout
new file mode 100644
index 0000000000000000000000000000000000000000..d0a7d827f260639062ba0dc8ec1b04067546c8f9
--- /dev/null
+++ b/tests/expected/alloca.stdout
@@ -0,0 +1 @@
+AAAAAAAAAAAAAAAA