These tests now pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84019 91177308-0d34-0410-b5e6-96231b3b80d8

test/FrontendC++/2006-11-06-StackTrace.cpp

@@ -13,7 +13,6 @@
 // Only works on ppc (but not apple-darwin9), x86 and x86_64.  Should
 // generalize?
 // XFAIL: alpha|arm|powerpc-apple-darwin9
-// XFAIL: *
 
 #include <stdlib.h>
 

test/FrontendC/2009-02-17-BitField-dbg.c

@@ -5,7 +5,6 @@
 // RUN: echo {ptype mystruct} > %t2
 // RUN: gdb -q -batch -n -x %t2 2009-02-17-BitField-dbg.o | \
 // RUN:   tee 2009-02-17-BitField-dbg.out | grep "int a : 4"
-// XFAIL: *
 
 struct {
   int  a:4;

test/FrontendObjC/2009-08-17-DebugInfo.m

@@ -6,7 +6,7 @@
 // RUN: echo {break randomFunc\n} > %t.in 
 // RUN: gdb -q -batch -n -x %t.in %t.exe | tee %t.out | \
 // RUN:   grep {Breakpoint 1 at 0x.*: file 2009-08-17-DebugInfo.m, line 21}
-// XFAIL: *
+// XTARGET: darwin
 @interface MyClass
 {
  int my;