> The implementation of -Wstack-usage is a bit lame in that it does not do
> any flow analysis or tie into the range information computed by VRP.
Right, that was by design in order to be conservatively correct. May I remind
you of where we came from with -Wframe-larger-than? :-)
> Moving the st
On 09/22/14 09:56, Dmitry Antipov wrote:
For the following translation unit:
#include
int
foo (unsigned n)
{
int *p;
if (n < 1024)
p = alloca (n * sizeof (int));
else
p = malloc (n * sizeof (int));
return g (p, n);
}
int
bar (unsigned n)
{
int x, i, *p;
for (x =
For the following translation unit:
#include
int
foo (unsigned n)
{
int *p;
if (n < 1024)
p = alloca (n * sizeof (int));
else
p = malloc (n * sizeof (int));
return g (p, n);
}
int
bar (unsigned n)
{
int x, i, *p;
for (x = 0, i = 0; i < n; i++)
{
if (n < 1024)
