an unimplemented work  and continue.

llvm-svn: 43449

(x) == x  is the treated the same as x == x.

llvm-svn: 43448

errors for cases such as "x == x".

Added test case to test this feature.

llvm-svn: 43447

llvm-svn: 43445

llvm-svn: 43443

llvm-svn: 43441

if statements.  This implements Sema/if-empty-body.c:f3, silencing
a bogus secondary warning.  It also improve the location info for
the nullstmts created for recovery purposes.

llvm-svn: 43440

llvm-svn: 43439

eat the terminating ;.  Fix one place where it did, allowing this
to compile without error:

struct x {
 int a;
 union {
  int b;
  float c;
 };

 int d;
};

This reduces diagnostics on PR1750 from 33 to 27.

llvm-svn: 43437

one bogus error on PR1750.

llvm-svn: 43436

PR1750

llvm-svn: 43435

to parse stuff like:

asm volatile("1:  rex64/fxrstor (%[fx])\n\t"
       "2:\n"
       ".section .fixup,\"ax\"\n"
       "3:  movl $-1,%[err]\n"
       "    jmp  2b\n"
       ".previous\n"
       ".section __ex_table,\"a\"\n"
       "   .align 8\n"
       "   .quad  1b,3b\n"
       ".previous"
       : [err] "=r" (err)
       : [fx] "cdaSDb" (fx), "m" (*fx), "0" (0));

This reduces # diagnostics on PR1750 from 49 to 37.

llvm-svn: 43434

resolving a crash on a .i file in PR1750.  We now generate 49 errors on the
.i file in that bug.

llvm-svn: 43433

typeof(type) and typeof(expr) correctly.  Now provide a single point of
contact (Type::getDesugaredType) for doing the shallow stripping we need.

llvm-svn: 43432

llvm-svn: 43429

llvm-svn: 43428

llvm-svn: 43423

llvm-svn: 43419

llvm-svn: 43418

llvm-svn: 43417

llvm-svn: 43414

llvm-svn: 43409

llvm-svn: 43407

Start rewriting ObjC interfaces. As a start, we comment out all the methods. This involved refining how the parser/AST passes/manages SourceLocations for ObjcMethodDecl's. 

llvm-svn: 43404

decl without an @interface decl.

llvm-svn: 43403

llvm-svn: 43397

Thanks to Steve N. to point out using of offsetof for this.

llvm-svn: 43391

llvm-svn: 43390

llvm-svn: 43387

Code gen static initializer.

llvm-svn: 43386

llvm-svn: 43385

llvm-svn: 43383

llvm-svn: 43382

llvm-svn: 43371

llvm-svn: 43370

llvm-svn: 43366

llvm-svn: 43365

llvm-svn: 43363

llvm-svn: 43362

llvm-svn: 43361