------- Comment #25 from ebotcazou at gcc dot gnu dot org 2009-02-26 08:26
-------
> Also, you can have the same problem with this kind of code without threads.
> Imagine, for example, if the 'shared_variable' may be in read-only memory and
> 'can_write' indicates this case.
Then it must be declared 'volatile'. This optimization is valid in ISO C if
the
variable is not declared so. Of course that's orthogonal to this PR.
--
ebotcazou at gcc dot gnu dot org changed:
What |Removed |Added
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CC| |ebotcazou at gcc dot gnu dot
| |org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31862
