[PATCH] D85778: More accurately compute the ranges of possible values for +, -, *, &, %.

[Richard Smith - zygoloid via Phabricator via cfe-commits]

rsmith created this revision.
rsmith added reviewers: sberg, rtrieu.
Herald added a project: clang.
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rsmith requested review of this revision.

Continue to heuristically pick the wider of the two operands for
narrowing conversion warnings so that some_char + 1 isn't treated as
being wider than a char, but use the more accurate computation for
tautological comparison warnings.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D85778

Files:
  clang/lib/Sema/SemaChecking.cpp
  clang/test/Sema/tautological-constant-compare.c

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