Add unittest, which revealed that default booleans were not set properly
diff --git a/tests/tests-c-compiler/Makefile.am b/tests/tests-c-compiler/Makefile.am
index 7112cc5..314903a 100644
--- a/tests/tests-c-compiler/Makefile.am
+++ b/tests/tests-c-compiler/Makefile.am
@@ -28,6 +28,7 @@
TESTS += check-src/check-132.-gen-PER.c
TESTS += check-src/check-133.-gen-PER.c
TESTS += check-src/check-135.-gen-OER.c
+TESTS += check-src/check-148.c
TESTS += check-src/check-19.c
TESTS += check-src/check-22.-fwide-types.c
TESTS += check-src/check-24.-fwide-types.c