> On targets using thumb1, I can see:
> - the new test failing (you should probably add a dg-skip or an
> effective-target directive)

OK, I have added:

/* { dg-skip-if "" { arm_thumb1 } } */

as in the ivopts-orig_biv-inc.c test.

> - gcc.dg/pr48134.c now fails, saying:
> sorry, unimplemented: -fstack-check=specific for THUMB1
> while the error message is the same as for your new test, I'm
> wondering why/how it actually passed before your patch?

Yeah, it's a bug, -fstack-check=specific should have been rejected before for 
all ARM targets since it was not implemented.  Will fix.

-- 
Eric Botcazou

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