member of reference type in an anonymous struct.  PR13154.

llvm-svn: 161473

llvm-svn: 161472

memory models, except when arc is accessing a weak
ivar (which is an error). // rdar://6505197

llvm-svn: 161458

llvm-svn: 161455

and the other is a glvalue of class type, don't forget to copy-initialize a
temporary when performing the lvalue-to-rvalue conversion on the glvalue.
Strangely, DefaultLvalueConversions misses this part of the lvalue-to-rvalue
conversions.

llvm-svn: 161450

for side-effects. Instead, check for side-effects after performing
initialization. Doing so also removes some strange corner cases and differences
between in-class initialization and constructor initialization.

llvm-svn: 161449

objc_release for performance for these most often
called APIs. // rdar://12040837

llvm-svn: 161448

implementation was changed to a union of bitfields.

llvm-svn: 161447

llvm-svn: 161445

If you build with -fobjc-arc, then -fobjc-link-runtime is implied but we
don't need to warn about it being unused in that case.  rdar://12039965

llvm-svn: 161444

llvm-svn: 161443

Comment XML: add a root node kind for enums.

llvm-svn: 161442

Warns on anti-patterns/typos in the 'size' argument to strncat. The
correct size argument should look like the following:
 - strncat(dst, src, sizeof(dst) - strlen(dest) - 1);

We warn on: 
 - sizeof(dst)
 - sizeof(src)
 - sizeof(dst) - strlen(dst)
 - sizeof(src) - anything

(This has been implemented in void Sema::CheckStrncatArguments().)

llvm-svn: 161440

llvm-svn: 161439

llvm-svn: 161436

llvm-svn: 161435

The implementation also includes a Relax NG schema and tests for the schema
itself.  The schema is used in c-index-test to verify that XML documents we
produce are valid.  In order to do the validation, we add an optional libxml2
dependency for c-index-test.

Credits for CMake part go to Doug Gregor.  Credits for Autoconf part go to Eric
Christopher.  Thanks!

llvm-svn: 161431

Allow direct ivar access in init and dealloc methods
in mrr. // rdar://650197

llvm-svn: 161426

llvm-svn: 161408

This is useful for example for %n in printf, which expects
a pointer to int with the same logic for checking as %d
would have in scanf.

llvm-svn: 161407

if checked out under clang/tools/extra.

This is mostly so folks other than me can start to test. Documentation,
details, and an announcement are still in the works.

llvm-svn: 161405

Also remove redundant constructors and unused member functions.

llvm-svn: 161403

non-POD. Fixes <rdar://problem/12031870>.

llvm-svn: 161395

update implementation to match. An elidable, non-trivial constructor call is a
side-effect under this definition, but wasn't under the old one, because we are
not required to evaluate it even though it may have an effect.

Also rationalize checking for volatile reads: just look for lvalue-to-rvalue
conversions on volatile glvalues, and ignore whether a DeclRefExpr etc is for
a volatile variable.

llvm-svn: 161393

llvm-svn: 161392

llvm-svn: 161391

llvm-svn: 161390

included in warning groups.  Warning groups can only contain warnings, because only
warnings can be mapped to errors or ignored.

This caught a few diagnostics that were incorrectly in diagnostic groups, and
could have resulted in a compiler crash when those diagnostic groups were mapped.

Fixes <rdar://problem/12044436>

llvm-svn: 161389

was mistakenly classifying dynamic_casts which might throw as having no side
effects.

Switch it from a visitor to a switch, so it is kept up-to-date as future Expr
nodes are added. Move it from ExprConstant.cpp to Expr.cpp, since it's not
really related to constant expression evaluation.

Since we use HasSideEffect to determine whether to emit an unused global with
internal linkage, this has the effect of suppressing emission of globals in
some cases.

I've left many of the Objective-C cases conservatively assuming that the
expression has side-effects. I'll leave it to someone with better knowledge
of Objective-C than mine to improve them.

llvm-svn: 161388

This is an additional test for r161349 (ignoring 10.8's annotations for
NSMakeCollectable).

llvm-svn: 161380

just let the alignment be zero.

PR13531

llvm-svn: 161379

Remove two fall through diagnostics from the IgnoredAttributes group, since they are errors, not warnings.

Only warnings should be in warning groups.  This was causing an assertion failure in
code using pragmas to map -Wignored-attributes to ignored, but this kind of
diagnostic mapping is disallowed for builtin errors.  We should just wire
up tablegen to reject errors being in diagnostic groups.

llvm-svn: 161376

the ASTContext BumpPtr.  Also use the preferred llvm::ArrayRef interface.

llvm-svn: 161373

llvm-svn: 161372

llvm-svn: 161369

that we attach the lost qualifiers.

Fixes rdar://11882155

llvm-svn: 161368

llvm-svn: 161367

Dynamic type inference does the right thing in this case. However, as
Jordan suggested, it would be nice to add a warning here as well.

llvm-svn: 161365

// rdar://6505197

llvm-svn: 161362

command, for example: \tparam\brief.

llvm-svn: 161361