pragma_diagnostic_sections.cpp [plain text]
struct S {
void m1() { int b; while (b==b); }
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wtautological-compare"
void m2() { int b; while (b==b); }
#pragma clang diagnostic pop
void m3() { int b; while (b==b); } };
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wtautological-compare"
template <typename T>
struct TS {
void m() { T b; while (b==b); }
};
#pragma clang diagnostic pop
void f() {
TS<int> ts;
ts.m();
}
#define UNUSED_MACRO1 // expected-warning {{macro is not used}}
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunused-macros"
#define UNUSED_MACRO2
#pragma clang diagnostic pop
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wreturn-type"
int g() { }
#pragma clang diagnostic pop
void ww(
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunused-parameter"
int x,
#pragma clang diagnostic pop
int y) {
}
struct S2 {
int x, y;
S2() :
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wreorder"
y(),
x()
#pragma clang diagnostic pop
{}
};
#define MYMACRO \
_Pragma("clang diagnostic push") \
_Pragma("clang diagnostic ignored \"-Wunknown-pragmas\"") \
_Pragma("clang diagnostic pop")
MYMACRO
#undef MYMACRO