Revert "Add mask before truncating dereferenced bit pointers (#9584)"

This was a workaround for an LLVM 12 bug which has been fixed in LLVM
13.

This reverts commit 5cd1d42a351aa77d2a030e59cbd2b9abf7c44444 but keeps
the test case.
47f7ed1c4cAndrew Kelley committed on 8/20/2021, 12:11:46 AMparent6926e6e
1 file changedLine totals unavailable