53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
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// RUN: clang -fsyntax-only %s -verify
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typedef void (^CL)(void);
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CL foo() {
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short y;
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short (^add1)(void) = ^{ return y+1; }; // expected-error {{incompatible block pointer types initializing 'int (^)(void)', expected 'short (^)(void)'}}
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CL X = ^{
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if (2)
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return;
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return 1; // expected-error {{void block should not return a value}}
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};
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int (^Y) (void) = ^{
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if (3)
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return 1;
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else
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return; // expected-error {{non-void block should return a value}}
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};
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char *(^Z)(void) = ^{
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if (3)
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return "";
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else
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return (char*)0;
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};
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double (^A)(void) = ^ { // expected-error {{incompatible block pointer types initializing 'float (^)(void)', expected 'double (^)(void)'}}
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if (1)
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return (float)1.0;
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else
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if (2)
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return (double)2.0; // expected-error {{incompatible type returning 'double', expected 'float'}}
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return 1; // expected-error {{incompatible type returning 'int', expected 'float'}}
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};
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char *(^B)(void) = ^{
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if (3)
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return "";
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else
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return 2; // expected-error {{incompatible type returning 'int', expected 'char *'}}
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};
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return ^{ return 1; }; // expected-error {{incompatible block pointer types returning 'int (^)(void)', expected 'CL'}} expected-error {{returning block that lives on the local stack}}
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}
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typedef int (^CL2)(void);
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CL2 foo2() {
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return ^{ return 1; }; // expected-error {{returning block that lives on the local stack}}
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}
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