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/* { dg-do compile } */
/* { dg-options "-Wswitch-enum -Wsign-compare -fstrict-overflow -Wstrict-overflow -Werror -Wno-error=switch-enum" } */
/* PR c/66098 - #pragma diagnostic 'ignored' not fully undone by pop for strict-overflow
PR c/66711 - GCC does not correctly restore diagnostic state after pragma GCC diagnostic pop with -Werror
*/
/* { dg-message "warnings being treated as errors" "" {target "*-*-*"} 0 } */
void testing2() {
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wstrict-overflow"
int j = 4;
j + 4 < j;
#pragma GCC diagnostic pop
}
void testing3() {
int k = 4;
k + 4 < k; /* { dg-error "overflow" "" { xfail *-*-* } } */
}
int bar()
{
unsigned x = 0;
int y = 1;
/* generates an error - ok */
x += x < y ? 1 : 0; /* { dg-error "comparison" } */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wsign-compare"
/* generates no diagnostic - ok */
x += x < y ? 1 : 0;
#pragma GCC diagnostic pop
x += x < y ? 1 : 0; /* { dg-error "comparison" } */
return x;
}
enum EE { ONE, TWO };
int f (enum EE e)
{
int r = 0;
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wswitch-enum"
switch (e)
{
case ONE:
r = 1;
break;
}
#pragma GCC diagnostic pop
switch (e) /* { dg-warning "switch" } */
{
case ONE:
r = 1;
break;
}
return r;
}
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