r284960 - [analyzer] Add StdLibraryFunctions checker.

[Evgenii Stepanov via cfe-commits]

This code also fails with UBSan:

tools/clang/lib/StaticAnalyzer/Checkers/StdLibraryFunctionsChecker.cpp:285:62:
runtime error: signed integer overflow: 9223372036854775807 + 1 cannot
be represented in type 'long'
    #0 0x5e1642f in (anonymous
namespace)::StdLibraryFunctionsChecker::ValueRange::applyAsWithinRange(llvm::IntrusiveRefCntPtr<clang::ento::ProgramState
const>, clang::ento::CallEvent const&, (anonymous
namespace)::StdLibraryFunctionsChecker::FunctionSummaryTy const&)
const /mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/tools/clang/lib/StaticAnalyzer/Checkers/StdLibraryFunctionsChecker.cpp:285:62
    #1 0x5e0f4c3 in (anonymous
namespace)::StdLibraryFunctionsChecker::ValueRange::apply(llvm::IntrusiveRefCntPtr<clang::ento::ProgramState
const>, clang::ento::CallEvent const&, (anonymous
namespace)::StdLibraryFunctionsChecker::FunctionSummaryTy const&)
const /mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/tools/clang/lib/StaticAnalyzer/Checkers/StdLibraryFunctionsChecker.cpp:149:16
    #2 0x5e0eb00 in (anonymous
namespace)::StdLibraryFunctionsChecker::checkPostCall(clang::ento::CallEvent
const&, clang::ento::CheckerContext&) const
/mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/tools/clang/lib/StaticAnalyzer/Checkers/StdLibraryFunctionsChecker.cpp:350:21


http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fast/builds/18/steps/check-clang%20ubsan/logs/stdio


On Mon, Oct 24, 2016 at 6:23 AM, Renato Golin via cfe-commits
<cfe-commits at lists.llvm.org> wrote:
> On 24 October 2016 at 14:09, Artem Dergachev <noqnoqneo at gmail.com> wrote:
>> Strange, i'm not receiving any buildbot emails again. Will look through bots
>> manually next time, that doesn't sound too hard. Pushed a hotfix in r284969.
>
> The buildmaster was restarted this weekend and got all old builds data wiped.
>
> I only know because I have a monitoring page.
>
> Galina,
>
> Any info on the server migration and the email configuration?
>
> Thanks!
> --renato
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