add crash test generated with AFL

diff --git a/test/data/afl-expat-crash.svg b/test/data/afl-expat-crash.svg
new file mode 100644 (file)
index 0000000..41a9943
--- /dev/null
+++ b/test/data/afl-expat-crash.svg
@@ -0,0 +1,22 @@
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