[Bug target/79235] x86 - Can't read stack transferred parameters when using one of the parameters in a nested function

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Thu Jan 26 09:55:00 GMT 2017


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79235

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
   int* pvargs = &on_stack;
    int second=pvargs[1];

what do you think you access with pvargs[1]?  You can't get at the address
of the stack slot used for argument passing by taking the address of a
parameter.


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