On 11/14/2016 08:18 AM, Bernd Schmidt wrote:
> On 11/11/2016 06:10 PM, Aldy Hernandez wrote:
>> The problem in this PR is that -fself-test is being run on a non empty
>> source file.  This causes init_emit() to run, which sets:
>>
>>     REG_POINTER (virtual_incoming_args_rtx) = 1;
>>
>> Setting REG_POINTER on the virtual incoming args, causes /f to be
>> printed on some RTL dumps, causing the -fself-test machinery to fail at
>> matching the expected value.
>
> How about always running init_emit and testing for the correct output?

I would prefer Jakub's suggestion of running in finish_options().

I assume there are other places throughout the self-tests that depend on 
NOT continuing the compilation process, and I'd hate to plug each one.

Would the attached patch be acceptable to both of you?

Aldy