On Monday 15 December 2008 05:43:20 [email protected] wrote:
> Hello,
>
> I have read the FAQ and searched the mailing lists (or tried to, there
> were 100s of related posts) about this but...
>
> The FAQ says:
> --------------------------------------------------
> As for eager reporting of copies of uninitialised memory values, this
> has been suggested multiple times. Unfortunately, almost all programs
> legitimately copy uninitialised memory values around (because
> compilers pad structs to preserve alignment) and eager checking leads
> to hundreds of false positives. Therefore Memcheck does not support
> eager checking at this time."
> --------------------------------------------------
>
> However it is possible to pack the structs without holes...
Huh?
struct foo {
int x : 2;
};
GCC will allocate at least 1 byte of memory for this struct
independent of -fpack-struct.
Florian
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