diff --git a/testing/btest/Baseline.opt/core.parse-only-usage-issues/out b/testing/btest/Baseline.opt/core.parse-only-usage-issues/out
new file mode 100644
index 0000000000..646a29c26b
--- /dev/null
+++ b/testing/btest/Baseline.opt/core.parse-only-usage-issues/out
@@ -0,0 +1,3 @@
+### BTest baseline data generated by btest-diff. Do not edit. Use "btest -U/-u" to update. Requires BTest >= 0.63.
+warning: "-O optimize-AST" option is incompatible with -u option, deactivating optimization
+warning in <...>/parse-only-usage-issues.zeek, line 8: possibly used without definition (a)
diff --git a/testing/btest/Baseline.opt/language.uninitialized-local3/out b/testing/btest/Baseline.opt/language.uninitialized-local3/out
new file mode 100644
index 0000000000..9a537876d4
--- /dev/null
+++ b/testing/btest/Baseline.opt/language.uninitialized-local3/out
@@ -0,0 +1,13 @@
+### BTest baseline data generated by btest-diff. Do not edit. Use "btest -U/-u" to update. Requires BTest >= 0.63.
+warning: "-O optimize-AST" option is incompatible with -u option, deactivating optimization
+warning in <...>/uninitialized-local3.zeek, line 33: possibly used without definition (x4)
+expression error in <...>/uninitialized-local3.zeek, line 33: value used but not set (x4)
+x$a (x <...>/uninitialized-local3.zeek, line 20) possibly used without being set
+x$e (x <...>/uninitialized-local3.zeek, line 20) possibly used without being set
+x$e (x <...>/uninitialized-local3.zeek, line 24) possibly used without being set
+x2$worries$a (x2 <...>/uninitialized-local3.zeek, line 27) possibly used without being set
+x2$worries$e (x2 <...>/uninitialized-local3.zeek, line 27) possibly used without being set
+[a=<uninitialized>, b=<uninitialized>, c=9, d=<uninitialized>, e=<uninitialized>]
+[a=<uninitialized>, b=<uninitialized>, c=9, d=<uninitialized>, e=<uninitialized>]
+[no_worries=[a=<uninitialized>, b=<uninitialized>, c=9, d=<uninitialized>, e=<uninitialized>], worries=[a=<uninitialized>, b=<uninitialized>, c=9, d=<uninitialized>, e=<uninitialized>]]
+[no_worries=[a=<uninitialized>, b=<uninitialized>, c=9, d=<uninitialized>, e=<uninitialized>], worries=[a=<uninitialized>, b=<uninitialized>, c=9, d=<uninitialized>, e=<uninitialized>]]