Unnamed bit-fields don't contribute to size or alignment of unions, or size of structs

2 files changed, 16 insertions, 0 deletions

diff --git a/test/bitfield-unnamed-size-align.c b/test/bitfield-unnamed-size-align.c
new file mode 100644
index 0000000..505467b
--- /dev/null
+++ b/test/bitfield-unnamed-size-align.c
@@ -0,0 +1,12 @@
+struct s {
+	int : 8;
+	char c;
+};
+union u {
+	int : 8;
+	char c;
+};
+int s1 = sizeof(struct s);
+int s2 = _Alignof(struct s);
+int u1 = sizeof(union u);
+int u2 = _Alignof(union u);
diff --git a/test/bitfield-unnamed-size-align.qbe b/test/bitfield-unnamed-size-align.qbe
new file mode 100644
index 0000000..67dfecc
--- /dev/null
+++ b/test/bitfield-unnamed-size-align.qbe
@@ -0,0 +1,4 @@
+export data $s1 = align 4 { w 2, }
+export data $s2 = align 4 { w 1, }
+export data $u1 = align 4 { w 1, }
+export data $u2 = align 4 { w 1, }