llvm-project/clang/test/SemaCXX/blocks-1.cpp

46 lines
991 B
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s -fblocks
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);
}
}