fix failing allbits test for ppc64le on clang15

diff --git a/src/util/bitfield.h b/src/util/bitfield.h
index 202232b621551cb089493c9235795c004eb3def8..4a3fbd6ed50aeb352309daa5e3bf7584f9bb03a3 100644 (file)
--- a/src/util/bitfield.h
+++ b/src/util/bitfield.h
@@ -138,8 +138,8 @@ public:
 
     /// Flip all bits.
     void flip() {
-        for (auto &e : bits) {
-            e = ~e;
+        for (size_t i = 0; i < size(); i++) {
+            flip(i);
         }
         clear_trailer();
     }