bool in bitfield

#210

Author: tyfkda

src/cc/frontend/type.c

@@ -66,7 +66,7 @@ static size_t calc_bitfield_size(StructInfo *sinfo, int *pi, size_t size, size_t
     size_t remain = size % align;
     if (remain == 0) {
       kind = minfo->type->fixnum.kind;
-      if (kind == FX_ENUM)
+      if (kind > FX_LLONG)
         kind = FX_INT;
     } else {
       // Detect LSB.

tests/valtest.c

@@ -1,6 +1,7 @@
 #include "alloca.h"
 #include "limits.h"
 #include "stdarg.h"
+#include "stdbool.h"
 #include "stddef.h"  // offsetof
 #include "stdint.h"
 #include "stdio.h"
@@ -1777,6 +1778,17 @@ TEST(bitfield) {
     } s = {5};
     EXPECT_FALSE(-1 > s.x);
   }
+
+  {
+    struct {
+      _Bool f : 1;
+      _Bool t : 1;
+    } s = {
+      false, true,
+    };
+    EXPECT("bool bitfield: false", false, s.f);
+    EXPECT("bool bitfield: true", true, s.t);
+  }
 }
 #endif