result code = -1 standard error = { tests/preprocessor/include-a.slang.h(3): error 30201: function 'bar' already has a body tests/preprocessor/include-a.slang.h(3): note: see previous definition of 'bar' tests/preprocessor/include-a.slang.h(3): error 30201: function 'bar' already has a body tests/preprocessor/include-a.slang.h(3): note: see previous definition of 'bar' } standard output = { }