blocks-1.cpp
1.47 KB
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// RUN: %clang_cc1 -fsyntax-only -verify %s -fblocks -std=c++1y
extern "C" int exit(int);
typedef struct {
unsigned long ps[30];
int qs[30];
} BobTheStruct;
int main (int argc, const char * argv[]) {
BobTheStruct inny;
BobTheStruct outty;
BobTheStruct (^copyStruct)(BobTheStruct);
int i;
for(i=0; i<30; i++) {
inny.ps[i] = i * i * i;
inny.qs[i] = -i * i * i;
}
copyStruct = ^(BobTheStruct aBigStruct){ return aBigStruct; }; // pass-by-value intrinsically copies the argument
outty = copyStruct(inny);
if ( &inny == &outty ) {
exit(1);
}
for(i=0; i<30; i++) {
if ( (inny.ps[i] != outty.ps[i]) || (inny.qs[i] != outty.qs[i]) ) {
exit(1);
}
}
return 0;
}
namespace rdar8134521 {
void foo() {
int (^P)(int) = reinterpret_cast<int(^)(int)>(1);
P = (int(^)(int))(1);
P = reinterpret_cast<int(^)(int)>((void*)1);
P = (int(^)(int))((void*)1);
}
}
namespace rdar11055105 {
struct A {
void foo();
};
template <class T> void foo(T &x) noexcept(noexcept(x.foo()));
void (^block)() = ^{
A a;
foo(a);
};
}
namespace LocalDecls {
void f() {
(void) ^{
extern int a; // expected-note {{previous}}
extern int b(); // expected-note {{previous}}
};
}
void g() {
(void) ^{
extern float a; // expected-error {{different type}}
extern float b(); // expected-error {{cannot be overloaded}}
};
}
}