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/* PR c/60439 */
/* { dg-do compile } */
#ifndef __cplusplus
# define bool _Bool
#endif
extern bool foo (void);
void
f1 (bool b)
{
switch (b) /* { dg-warning "switch condition has" } */
break;
}
void
f2 (int a, int b)
{
switch (a && b) /* { dg-warning "switch condition has" } */
break;
switch ((bool) (a && b)) /* { dg-warning "switch condition has" } */
break;
switch ((a && b) || a) /* { dg-warning "switch condition has" } */
break;
/* No warnings on following. */
switch ((int) (a && b))
break;
switch ((unsigned int) (a && b))
break;
switch ((unsigned short int) (a && b))
break;
switch ((char) (a && b))
break;
}
void
f3 (int a)
{
switch (!!a) /* { dg-warning "switch condition has" } */
break;
switch (!a) /* { dg-warning "switch condition has" } */
break;
}
void
f4 (void)
{
switch (foo ()) /* { dg-warning "switch condition has" } */
break;
}
void
f5 (int a)
{
switch (a == 3) /* { dg-warning "switch condition has" } */
break;
switch (a != 3) /* { dg-warning "switch condition has" } */
break;
switch (a > 3) /* { dg-warning "switch condition has" } */
break;
switch (a < 3) /* { dg-warning "switch condition has" } */
break;
switch (a <= 3) /* { dg-warning "switch condition has" } */
break;
switch (a >= 3) /* { dg-warning "switch condition has" } */
break;
switch (foo (), foo (), a >= 42) /* { dg-warning "switch condition has" } */
break;
switch (a == 3, a & 4, a ^ 5, a)
break;
switch ((int) (a == 3))
break;
switch ((int) (a != 3))
break;
}
void
f6 (bool b)
{
switch (b) /* { dg-warning "switch condition has" } */
break;
switch (!b) /* { dg-warning "switch condition has" } */
break;
switch (b++) /* { dg-warning "switch condition has" } */
break;
}
void
f7 (void)
{
bool b;
switch (b = 1) /* { dg-warning "switch condition has" } */
break;
}
void
f8 (int i)
{
switch (i)
break;
switch ((int) i)
break;
switch ((unsigned int) i)
break;
switch ((bool) i) /* { dg-warning "switch condition has" } */
break;
}
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