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This new checker, alpha.core.TestAfterDivZero, catches issues like this:

  int sum = ...
  int avg = sum / count; // potential division by zero...
  if (count == 0) { ... } // ...caught here

Because the analyzer does not necessarily explore /all/ paths through a program,
this check is restricted to only work on zero checks that immediately follow a
division operation (/ % /= %=). This could later be expanded to handle checks
dominated by a division operation but not necessarily in the same CFG block.

Patch by Anders Rönnholm! (with very minor modifications by me)

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ExprEngine wasn't ready for SEHLeaveStmtClass.  Handle it like all the
other SEH constructs by aborting.

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Switch over LogDiagnosticPrinter and introduce an integer helper.

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This silences false positives (leaks, use of uninitialized value) in simple
code that uses containers such as std::vector and std::list. The analyzer
cannot reason about the internal invariances of those data structures which
leads to false positives. Until we come up with a better solution to that
problem, let's just not inline the methods of the containers and allow objects
to escape whenever such methods are called.

This just extends an already existing flag "c++-container-inlining" and applies
the heuristic not only to constructors and destructors of the containers, but
to all of their methods.

We have a bunch of distinct user reports all related to this issue
(radar://16058651, radar://16580751, radar://16384286, radar://16795491
[PR19637]).

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Merely a code simplification, no functionality change.

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Patch by Sean McBride, tests adjusted by me.

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Doing this caused us to mistakenly think we'd seen a particular state before
when we actually hadn't, which resulted in false negatives. Credit to
Rafael Auler for discovering this issue!

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This reverts commit r211096. Looks like it broke the msvc build:

SemaOpenMP.cpp(140) : error C4519: default template arguments are only allowed on a class template

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Use stringstream instead to convert int to string



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instead of report-XXXXXX.html, scan-build/clang analyzer generate
report-<filename>-<function, method name>-<function position>-<id>.html.
(id = i++ for several issues found in the same function/method)



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Fixes a crash in Retain Count checker error reporting logic by handing
the allocation statement retrieval from a BlockEdge program point.

Also added a simple CFG dump routine for debugging.

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will never be true in a well-defined context.  The checking for null pointers
has been moved into the caller logic so it does not rely on undefined behavior.


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be performed by using Decl::isInStdNamespace or DeclContext::isStdNamespace


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Depends on http://reviews.llvm.org/D3762



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Based on a patch by jfcaron3@gmail.com!
PR19806

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Required pulling LambdaExpr::Capture into its own header.
No functionality change.

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Follow-up to Nico's leak-stopping patch in r208110.

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This applies to __attribute__((pure)) as well, but 'const' is more interesting
because many of our builtins are marked 'const'.

PR19661

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BugReport doesn't take ownership of the bug type, so let the checker own the
the bug type.  (Requires making the bug type mutable, which is icky, but which
is also what other checkers do.)


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