[PATCH] Fix Ada bootstrap failure

Eric Botcazou ebotcazou@adacore.com
Sat Sep 3 09:09:00 GMT 2011


> I'm not sure we want to create a the replacement decl with DECL_SIZE zero
> though, so I suppose instead of making sure align is BITS_PER_UNIT
> shouldn't we make sure that size is at least 1?  I fear we might run into
> other odd problems with zero-size autos.

The cfgexpand.c code already does so, see the top of the hunk.

> Thus, a variant of the patch that re-enables handling of size zero allocas
> but adjusts the size to be at least 1 is ok.

I think that the zero size is fine, we very likely generate this kind of 
things directly in Ada.

-- 
Eric Botcazou



More information about the Gcc-patches mailing list