[PATCH] D92634: [Analyzer] Diagnose signed integer overflow

[Daniel Marjamäki via Phabricator via cfe-commits]

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Diagnose signed integer overflows. The core.UndefResultChecker will warn.

This is a bit unfinished.. I wonder if you like the approach. It only checks addition right now. and not underflow.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D92634

Files:
  clang/lib/StaticAnalyzer/Core/SimpleSValBuilder.cpp
  clang/test/Analysis/integer-overflow.c

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