| 1 | // RUN: %clang_cc1 %s -verify -fsyntax-only -pedantic |
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| 2 | // Check that we don't crash trying to emit warnings in a potentially-evaluated |
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| 3 | // sizeof or typeof. (This test needs to be in a separate file because we use |
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| 4 | // a different codepath when we have already emitted an error.) |
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| 5 | |
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| 6 | int PotentiallyEvaluatedSizeofWarn(int n) { |
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| 7 | return (int)sizeof *(0 << 32,(int(*)[n])0); // expected-warning {{expression result unused}} expected-warning {{shift count >= width of type}} |
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| 8 | } |
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| 9 | |
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| 10 | void PotentiallyEvaluatedTypeofWarn(int n) { |
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| 11 | __typeof(*(0 << 32,(int(*)[n])0)) x; // expected-warning {{expression result unused}} expected-warning {{shift count >= width of type}} |
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| 12 | (void)x; |
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| 13 | } |
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| 14 | |
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| 15 | void PotentiallyEvaluatedArrayBoundWarn(int n) { |
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| 16 | (void)*(int(*)[(0 << 32,n)])0; // FIXME: We should warn here. |
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| 17 | } |
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| 18 | |
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