42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
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// RUN: %clang_cc1 -fblocks -fsyntax-only -verify %s
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// rdar: // 6182276
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template <typename T, typename T1> void foo(T t, T1 r)
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{
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T block_arg;
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__block T1 byref_block_arg;
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T1 (^block)(T) = ^ T1 (T arg) {
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byref_block_arg = arg;
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block_arg = arg; // expected-error {{variable is not assignable (missing __block type specifier)}}
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return block_arg+arg; };
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}
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// rdar://10466373
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template <typename T, typename T1> void noret(T t, T1 r)
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{
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(void) ^{
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if (1)
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return t;
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else if (2)
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return r; // expected-error {{return type 'double' must match previous return type 'float' when block literal has unspecified explicit return type}}
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};
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}
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int main(void)
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{
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foo(100, 'a'); // expected-note {{in instantiation of function template specialization 'foo<int, char>' requested here}}
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noret((float)0.0, double(0.0)); // expected-note {{in instantiation of function template specialization 'noret<float, double>' requested here}}
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}
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namespace rdar41200624 {
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template <class T>
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struct S {
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int (^p)() = ^{ return 0; };
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T (^t)() = ^{ return T{}; };
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T s = ^{ return T{}; }();
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};
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S<int> x;
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}
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