llvm-project/clang/test/Sema/if-empty-body.c

25 lines
491 B
C

// RUN: %clang_cc1 -fsyntax-only -verify %s
void f1(int a) {
if (a); // expected-warning {{if statement has empty body}}
}
void f2(int a) {
if (a) {}
}
void f3() {
if (1)
xx; // expected-error {{use of undeclared identifier}}
return; // no empty body warning.
}
// Don't warn about an empty body if is expanded from a macro.
void f4(int i) {
#define BODY ;
if (i == i) // expected-warning{{self-comparison always evaluates to true}}
BODY
#undef BODY
}