e934d7c9f5
expression that is not a zero literal, in C. This is a different, and more targeted, approach than that in r194540. llvm-svn: 195303
12 lines
574 B
C
12 lines
574 B
C
// RUN: %clang_cc1 %s -verify
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// PR10837: Warn if a non-pointer-typed expression is folded to a null pointer
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int *p = 0;
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int *q = '\0'; // expected-warning{{expression which evaluates to zero treated as a null pointer constant}}
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int *r = (1 - 1); // expected-warning{{expression which evaluates to zero treated as a null pointer constant}}
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void f() {
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p = 0;
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q = '\0'; // expected-warning{{expression which evaluates to zero treated as a null pointer constant}}
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r = 1 - 1; // expected-warning{{expression which evaluates to zero treated as a null pointer constant}}
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}
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