llvm-project/clang/test/CodeGenCXX/reference-in-block-args.cpp

30 lines
490 B
C++

// RUN: %clang_cc1 -fblocks %s -emit-llvm -o %t
// rdar: // 8041962
extern "C" int printf(const char*, ...);
struct ST {
int filler;
int referrer;
};
void OUTER_BLOCK(void (^fixer)(ST& ref)) {
ST ref = {2, 100};
fixer(ref);
}
void INNER_BLOCK(int (^largeDo) ()) {
printf("%d\n", largeDo());
}
void scan() {
OUTER_BLOCK(^(ST &ref) {
INNER_BLOCK(^() { return ref.referrer + ref.filler; });
});
}
int main() {
scan();
}