[all-commits] [llvm/llvm-project] e12e02: [clang] Evaluate strlen of strcpy argument for -Wf...

[Michael Benfield via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e12e02df09a967f644cf28136a7361bce7a5bb91
      https://github.com/llvm/llvm-project/commit/e12e02df09a967f644cf28136a7361bce7a5bb91
  Author: Michael Benfield <mbenfield at google.com>
  Date:   2021-07-28 (Wed, 28 Jul 2021)

  Changed paths:
    M clang/include/clang/AST/Expr.h
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/lib/AST/ExprConstant.cpp
    M clang/lib/Sema/SemaChecking.cpp
    M clang/test/Analysis/security-syntax-checks.m
    M clang/test/Sema/warn-fortify-source.c

  Log Message:
  -----------
  [clang] Evaluate strlen of strcpy argument for -Wfortify-source.

Also introduce Expr::tryEvaluateStrLen.

Differential Revision: https://reviews.llvm.org/D104887