[analyzer diagnostics] Change CompactPathDiagnostic to recursively compact diagnostics in calls into macro pieces.
Also fix handling of macros within calls in the HTMLDiagnostics.

This also adds a test case for r151774.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151872 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed