[PATCH] D14282: Improve more the const-detection in modernize-loop-convert.

[Angel Garcia via cfe-commits]

angelgarcia created this revision.
angelgarcia added a reviewer: klimek.
angelgarcia added subscribers: cfe-commits, alexfh.

The previous change was focused in detecting when a non-const object was used in a constant way. Looks like I forgot the most important and trivial case: when the object is already constant. Failing to detect this cases results in compile errors, due to trying to bind a constant object to a non-const reference in the range-for statement. This change should fix that.

http://reviews.llvm.org/D14282

Files:
  clang-tidy/modernize/LoopConvertCheck.cpp
  test/clang-tidy/modernize-loop-convert-const.cpp

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