[PATCH] D150191: [clang][Diagnostics] Provide a source range for 'use of undeclared identifier' diagnostics

[Aaron Ballman via Phabricator via cfe-commits]

aaron.ballman added a comment.

The changes are reasonable but should have test coverage. We test source ranges with `-fdiagnostics-print-source-range-info` as in https://github.com/llvm/llvm-project/blob/929a8c9f72dc405779a8aaf82304efdb7f1ab5e4/clang/test/Misc/diag-greatergreater.cpp#L4


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https://reviews.llvm.org/D150191