[Bug c/19315] document undocumented extension that allows code where variable is not emitted in the asm

[iains at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19315

Iain Sandoe <iains at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |dominiq at lps dot ens.fr

--- Comment #9 from Iain Sandoe <iains at gcc dot gnu.org> ---
*** Bug 72864 has been marked as a duplicate of this bug. ***