XFAIL tests that try to call a function in the inferior.

llvm.org/pr21765

llvm-svn: 247456
diff --git a/lldb/test/expression_command/expr-in-syscall/TestExpressionInSyscall.py b/lldb/test/expression_command/expr-in-syscall/TestExpressionInSyscall.py
index 5a93ef6..be9832c 100644
--- a/lldb/test/expression_command/expr-in-syscall/TestExpressionInSyscall.py
+++ b/lldb/test/expression_command/expr-in-syscall/TestExpressionInSyscall.py
@@ -18,6 +18,7 @@
         self.expr_syscall()
 
     @dwarf_test
+    @expectedFailureWindows("llvm.org/pr21765") # Also getpid() is not a function on Windows anyway
     def test_setpgid_with_dwarf(self):
         self.buildDwarf()
         self.expr_syscall()