> Looks good!
> Could you also add a driver option (maybe "--verify-pch") ?

Sure, I’ve added -verify-pch to the driver as well.  I kept the same spelling 
between the two options.  The biggest change here is that we don’t want the 
driver to pass through -x TYPE to cc1 for an input file that is a pch when we 
are verifying, since we want to verify the *source* language.  Right now I am 
omitting "-x TYPE" when -verify-pch is set AND the input file has a .pch 
extension.  I’m not sure whether checking the extension is a good idea, but it 
is consistent with other bits of the compiler that will assume the input is an 
object file if it has no extension and no explicit -x option.  I’m happy to 
change it.

Ben

Attachment: verify-pch.patch
Description: Binary data



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