List all valid names in the error message.
Fix an off-by-one error when accessing elements by numeric index (rather than name).
PiperOrigin-RevId: 457702283
Change-Id: I6e4f1518b4ecd9ca91ac9b0bf6b0963fc0a9bd18
Indiscriminate memset into d->buffer and m->buffer previously caused msan to not detect uninitialized reads.
Also fix tests with uninitialized read bugs that are detected by msan after this change.
PiperOrigin-RevId: 451508224
Change-Id: I1f4b080a8ef765c34ba7a0adc2c686419f6e5516
Alessio Quaglino