Add unittest, which revealed that default booleans were not set properly
diff --git a/tests/tests-asn1c-compiler/148-der-default-set-sequence-values-OK.asn1 b/tests/tests-asn1c-compiler/148-der-default-set-sequence-values-OK.asn1
new file mode 100644
index 0000000..f4576c6
--- /dev/null
+++ b/tests/tests-asn1c-compiler/148-der-default-set-sequence-values-OK.asn1
@@ -0,0 +1,22 @@
+-- OK: Everything is fine
+
+-- iso.org.dod.internet.private.enterprise (1.3.6.1.4.1)
+-- .spelio.software.asn1c.test (9363.1.5.1)
+-- .148
+
+ModuleTestDerSetSequenceValues
+	{ iso org(3) dod(6) internet(1) private(4) enterprise(1)
+		spelio(9363) software(1) asn1c(5) test(1) 148 }
+DEFINITIONS AUTOMATIC TAGS ::= BEGIN
+
+    DefaultSequence ::= SEQUENCE {
+        aBool BOOLEAN DEFAULT FALSE,
+        anInteger INTEGER OPTIONAL
+    }
+
+    DefaultSet ::= SET {
+        aBool [0] IMPLICIT BOOLEAN DEFAULT FALSE,
+        anInteger [1] IMPLICIT INTEGER OPTIONAL
+    }
+
+END