[PATCH] D24916: [analyzer] Extend bug reports with extra notes - CloneChecker

[Artem Dergachev via cfe-commits]

NoQ created this revision.
NoQ added reviewers: zaks.anna, dcoughlin, v.g.vassilev, teemperor.
NoQ added a subscriber: cfe-commits.

This patch applies the bug reporting technique that is being introduced in D24278 to CloneChecker. Extra notes highlight cloned code sections.

Examples of HTML reports: {F2409277} {F2409279}

Originally D24278 contained this patch, but then it was decided to make a separate review. The original diff is an exact copy of the relevant section of the original diff in D24278, with no review comments addressed.

https://reviews.llvm.org/D24916

Files:
  include/clang/Analysis/CloneDetection.h
  lib/Analysis/CloneDetection.cpp
  lib/StaticAnalyzer/Checkers/CloneChecker.cpp
  test/Analysis/copypaste/blocks.cpp
  test/Analysis/copypaste/function-try-block.cpp
  test/Analysis/copypaste/functions.cpp
  test/Analysis/copypaste/macro-complexity.cpp
  test/Analysis/copypaste/macros.cpp
  test/Analysis/copypaste/objc-methods.m
  test/Analysis/copypaste/plist-diagnostics-extra-notes-as-events.cpp
  test/Analysis/copypaste/plist-diagnostics.cpp
  test/Analysis/copypaste/sub-sequences.cpp
  test/Analysis/copypaste/suspicious-clones.cpp
  test/Analysis/copypaste/text-diagnostics.cpp

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