Squashed 'third_party/eigen/' content from commit 61d72f6
Change-Id: Iccc90fa0b55ab44037f018046d2fcffd90d9d025
git-subtree-dir: third_party/eigen
git-subtree-split: 61d72f6383cfa842868c53e30e087b0258177257
diff --git a/failtest/failtest_sanity_check.cpp b/failtest/failtest_sanity_check.cpp
new file mode 100644
index 0000000..769fa94
--- /dev/null
+++ b/failtest/failtest_sanity_check.cpp
@@ -0,0 +1,5 @@
+#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
+This is just some text that won't compile as a C++ file, as a basic sanity check for failtest.
+#else
+int main() {}
+#endif