minix/external/bsd/llvm/dist/clang/test/SemaCXX/instantiate-blocks.cpp
Lionel Sambuc f4a2713ac8 Importing netbsd clang -- pristine
Change-Id: Ia40e9ffdf29b5dab2f122f673ff6802a58bc690f
2014-07-28 17:05:57 +02:00

32 lines
990 B
C++

// RUN: %clang_cc1 -fblocks -fsyntax-only -verify %s
// rdar: // 6182276
template <typename T, typename T1> void foo(T t, T1 r)
{
T block_arg;
__block T1 byref_block_arg;
T1 (^block)(T) = ^ T1 (T arg) {
byref_block_arg = arg;
block_arg = arg; // expected-error {{variable is not assignable (missing __block type specifier)}}
return block_arg+arg; };
}
// rdar://10466373
template <typename T, typename T1> void noret(T t, T1 r)
{
(void) ^{
if (1)
return t;
else if (2)
return r; // expected-error {{return type 'double' must match previous return type 'float' when block literal has unspecified explicit return type}}
};
}
int main(void)
{
foo(100, 'a'); // expected-note {{in instantiation of function template specialization 'foo<int, char>' requested here}}
noret((float)0.0, double(0.0)); // expected-note {{in instantiation of function template specialization 'noret<float, double>' requested here}}
}