objc-hi and objcpp-hi fail the ghci way

testsuite/tests/driver/objc/all.T

@@ -6,8 +6,14 @@ def if_not_platform(platforms, f):
 
 skip_if_not_osx = if_not_platform(['i386-apple-darwin','x86_64-apple-darwin'], skip)
 
-test('objc-hi', [ skip_if_not_osx, objc_src ],
+test('objc-hi',
+     [ skip_if_not_osx,
+       objc_src,
+       expect_fail_for(['ghci']) ],
      compile_and_run, ['-framework Foundation'])
 
-test('objcpp-hi', [ skip_if_not_osx, objcpp_src ],
+test('objcpp-hi',
+     [ skip_if_not_osx,
+       objcpp_src,
+       expect_fail_for(['ghci']) ],
      compile_and_run, ['-framework Foundation -lstdc++'])