derek.holloway
7502bf64a4
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31 lines
1.1 KiB
C++
31 lines
1.1 KiB
C++
// RUN: %clang -x c -fsanitize=pointer-overflow %s -o %t
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// RUN: %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-NOTYPE
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// RUN: %env_ubsan_opts=report_error_type=1 %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-TYPE
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// RUN: %clangxx -fsanitize=pointer-overflow %s -o %t
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// RUN: %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-NOTYPE
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// RUN: %env_ubsan_opts=report_error_type=1 %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-TYPE
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#include <stdlib.h>
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int main(int argc, char *argv[]) {
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char *base, *result;
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base = (char *)0;
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result = base + 0;
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// CHECK-NOTYPE-NOT: SUMMARY:
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// CHECK-TYPE-NOT: SUMMARY:
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base = (char *)0;
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result = base + 1;
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// CHECK-NOTYPE: SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior {{.*}}summary.cpp:[[@LINE-1]]:17
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// CHECK-TYPE: SUMMARY: UndefinedBehaviorSanitizer: nullptr-with-nonzero-offset {{.*}}summary.cpp:[[@LINE-2]]:17
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base = (char *)1;
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result = base - 1;
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// CHECK-NOTYPE: SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior {{.*}}summary.cpp:[[@LINE-1]]:17
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// CHECK-TYPE: SUMMARY: UndefinedBehaviorSanitizer: nullptr-after-nonzero-offset {{.*}}summary.cpp:[[@LINE-2]]:17
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return 0;
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}
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