Fallback to quick in case of soft verification errors

Add a regression test: using uninitialized values triggers a soft
verification error and optimizing should not crash.

Thanks to Stephen Kyle (stephenckyle@googlemail.com) for the bug report.

Bug: 19988704
Change-Id: I67174538eed853baff735694b3ae8eb34afe2a39
diff --git a/test/471-uninitialized-locals/info.txt b/test/471-uninitialized-locals/info.txt
new file mode 100644
index 0000000..ebead8e
--- /dev/null
+++ b/test/471-uninitialized-locals/info.txt
@@ -0,0 +1,2 @@
+Regression for the optimizing for crashes during compilation of methods which
+use values before initializing them.