[PATCH] D19703: [clang-tidy] Improve misc-redundant-expression and decrease false-positive

[Etienne Bergeron via cfe-commits]

etienneb created this revision.
etienneb added a reviewer: alexfh.
etienneb added a subscriber: cfe-commits.

This patch is adding support for conditional expression and overloaded operators.

To decrease false-positive, this patch is adding a list of banned macro names that
has multiple variant with same integer value.

Also fixed support for template instantiation and added an unittest.

http://reviews.llvm.org/D19703

Files:
  clang-tidy/misc/RedundantExpressionCheck.cpp
  docs/clang-tidy/checks/misc-redundant-expression.rst
  test/clang-tidy/misc-redundant-expression.cpp

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