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/* N3356 - if declarations. */
/* PR c/117019 */
/* { dg-do compile } */
/* { dg-options "-std=c2y -Wall -Wextra" } */
/* Test VLAs. Invalid code. */
void foo (int) { }
void
g ()
{
int i = 3;
switch (i) /* { dg-message "switch starts here" } */
{ /* { dg-warning "statement will never be executed" } */
int arr[i] = { };
default: /* { dg-error "switch jumps into scope" } */
i = arr[0];
break;
}
}
void
g2 (int i)
{
goto L1; /* { dg-error "jump into scope" } */
if (int arr[i] = { }; arr[0])
{
L1:
}
goto L2; /* { dg-error "jump into scope" } */
if (int arr[i] = { }) /* { dg-warning "will always evaluate as .true." } */
{
L2:
arr[0] = 42;
}
goto L3; /* { dg-error "jump into scope" } */
switch (int arr[i] = { }; arr[0])
{
case 0:
L3:
return;
}
}
void
g3 (int i, int n)
{
switch (i)
{
case 0:
if (int arr[n] = { }) /* { dg-warning "will always evaluate as .true." } */
{
case 3: /* { dg-error "switch jumps into scope" } */
arr[0] = 42;
}
break;
default:
return;
}
}
void
g4 (int i, int n)
{
switch (i)
{
case 0:
if (int arr[n] = { }; arr[0])
{
case 3: /* { dg-error "switch jumps into scope" } */
}
break;
default:
return;
}
}
void
g5 (int i, int n)
{
switch (i)
{
case 0:
goto L; /* { dg-error "jump into scope" } */
switch (int arr[n] = { }; arr[0])
{
L:
}
break;
default:
return;
}
}
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