Fix integer promotion on bit-fields

Fixes #47.

1 files changed, 6 insertions, 0 deletions

diff --git a/test/bitfield-integer-promotion-long.c b/test/bitfield-integer-promotion-long.c
new file mode 100644
index 0000000..fc51fbc
--- /dev/null
+++ b/test/bitfield-integer-promotion-long.c
@@ -0,0 +1,6 @@
+struct {unsigned long x:31;} s1;
+struct {unsigned long x:32;} s2;
+struct {unsigned long x:33;} s3;
+int c1 = __builtin_types_compatible_p(__typeof__(+s1.x), int);
+int c2 = __builtin_types_compatible_p(__typeof__(+s2.x), unsigned);
+int c3 = __builtin_types_compatible_p(__typeof__(+s3.x), unsigned long);