| 1 | // RUN: %clang_cc1 -fsyntax-only -Wunused-variable -fblocks -verify %s |
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| 2 | |
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| 3 | struct s0 { |
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| 4 | unsigned int i; |
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| 5 | }; |
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| 6 | |
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| 7 | int proto(int a, int b); |
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| 8 | |
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| 9 | void f0(void) { |
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| 10 | int a __attribute__((unused)), |
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| 11 | b; // expected-warning{{unused}} |
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| 12 | return; |
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| 13 | } |
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| 14 | |
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| 15 | void f1(void) { |
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| 16 | int i; |
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| 17 | (void)sizeof(i); |
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| 18 | return; |
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| 19 | } |
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| 20 | |
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| 21 | // PR5933 |
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| 22 | int f2() { |
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| 23 | int X = 4; // Shouldn't have a bogus 'unused variable X' warning. |
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| 24 | return Y + X; // expected-error {{use of undeclared identifier 'Y'}} |
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| 25 | } |
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| 26 | |
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| 27 | int f3() { |
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| 28 | int X1 = 4; |
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| 29 | (void)(Y1 + X1); // expected-error {{use of undeclared identifier 'Y1'}} |
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| 30 | (void)(^() { int X = 4; }); // expected-warning{{unused}} |
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| 31 | (void)(^() { int X = 4; return Y + X; }); // expected-error {{use of undeclared identifier 'Y'}} |
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| 32 | } |
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| 33 | |
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