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/* PR 65048 */
/* { dg-do compile } */
/* { dg-options "-O3 -std=gnu89" } */
int a, b, c, d;
void fn (void);
int
foo (x)
int x;
{
switch (x)
{
case 'A':
return 'T';
case 'U':
return 'A';
}
}
void
bar (int x, int y)
{
switch (c)
{
case 'U':
switch (x)
{
default:
fn ();
case 'G':
switch (y)
{
case 'A':
d = 7;
}
}
}
}
void
baz (void)
{
while (1)
{
a = foo ();
b = foo ();
bar (a, b);
}
}
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