When reporting branch conditions that evaluate to an uninitialized value,
highlight the most nested subexpression that appears most responsible (giving
the user better diagnostic feedback).

Updated test cases to illustrate this feature.

Implements: <rdar://problem/5880443>


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50647 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed