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/* PR c/7652 */
/* { dg-do compile } */
/* { dg-require-effective-target alloca } */
/* { dg-options "-Wimplicit-fallthrough" } */
extern void bar (int);
extern int bar2 (void);
extern int *map;
void
f (int i)
{
switch (i)
{
case 1:
bar (0); /* { dg-warning "statement may fall through" } */
static int i = 10;
case 2:
bar (99);
}
switch (i)
{
case 1:
{ /* { dg-warning "statement may fall through" "" { target c } } */
int a[i]; /* { dg-warning "statement may fall through" "" { target c++ } } */
}
case 2:
bar (99);
}
switch (i)
{
case 1:
for (int j = 0; j < 10; j++) /* { dg-warning "statement may fall through" "" { target c } } */
map[j] = j; /* { dg-warning "statement may fall through" "" { target c++ } } */
case 2:
bar (99);
}
switch (i)
{
case 1:
do
bar (2);
while (--i); /* { dg-warning "statement may fall through" } */
case 2:
bar (99);
}
switch (i)
{
case 1:
{
switch (i + 2) /* { dg-warning "statement may fall through" } */
case 4:
bar (1);
case 5:
bar (5);
return;
}
case 2:
bar (99);
}
switch (i)
{
case 1:;
case 2:;
}
switch (i)
{
}
switch (i)
{
case 1:
if (i & 1) /* { dg-warning "statement may fall through" } */
{
bar (23);
break;
}
case 2:
bar (99);
}
switch (i)
{
case 1:
if (i > 9) /* { dg-warning "statement may fall through" } */
{
bar (9);
if (i == 10)
{
bar (10);
break;
}
}
case 2:
bar (99);
}
int r;
switch (i)
{
case 1:
r = bar2 ();
if (r) /* { dg-warning "statement may fall through" } */
break;
case 2:
bar (99);
}
switch (i)
{
case 1:
r = bar2 ();
if (r)
return;
if (!i) /* { dg-warning "statement may fall through" } */
return;
case 2:
bar (99);
}
}
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