On Jan 12, 2008 11:45 PM, Neil Booth <[EMAIL PROTECTED]> wrote:
> Eli Friedman wrote:-
>
> > Here is another test:
> > void foo3 (void)
> > {
> > void* x = 0;
> > void* y = &*x;
> > }
>
> Correct behaviour there depends on dialect:
>
> [EMAIL PROTECTED]:~/src/c$ ~/src/cfe/cfe /tmp/bug.c --c90
> "/tmp/bug.c", line 4: error: expression must be an lvalue or a function
> void* y = &*x;
> ^
> "/tmp/bug.c", line 4: warning: variable "y" declared but not used
> void* y = &*x;
> ^
>
> 1 error found compiling "/tmp/bug.c".
> [EMAIL PROTECTED]:~/src/c$ ~/src/cfe/cfe /tmp/bug.c --c99
> "/tmp/bug.c", line 4: warning: variable "y" declared but not used
> void* y = &*x;
> ^
Right... it's actually a completely different case from the first two
functions because void expressions aren't lvalues.
Wow, the C standard is really confusing.
-Eli
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