Index: test/lang/c/modules/TestCModules.py
===================================================================
--- test/lang/c/modules/TestCModules.py
+++ test/lang/c/modules/TestCModules.py
@@ -16,12 +16,14 @@
 
     @skipUnlessDarwin
     @dsym_test
+    @expectedFailureDarwin('http://llvm.org/pr24302')
     def test_expr_with_dsym(self):
         self.buildDsym()
         self.expr()
 
     @dwarf_test
     @skipIfFreeBSD
+    @expectedFailureDarwin('http://llvm.org/pr24302')
     @expectedFailureLinux('http://llvm.org/pr23456') # 'fopen' has unknown return type
     def test_expr_with_dwarf(self):
         self.buildDwarf()