| 1 | // RUN: %clang -x c -fsanitize=pointer-overflow -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-C --implicit-check-not="runtime error:" |
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| 2 | // RUN: %clang -x c -fsanitize=pointer-overflow -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-C --implicit-check-not="runtime error:" |
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| 3 | // RUN: %clang -x c -fsanitize=pointer-overflow -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-C --implicit-check-not="runtime error:" |
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| 4 | // RUN: %clang -x c -fsanitize=pointer-overflow -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-C --implicit-check-not="runtime error:" |
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| 5 | |
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| 6 | // RUN: %clangxx -fsanitize=pointer-overflow -O0 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-CPP --implicit-check-not="runtime error:" |
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| 7 | // RUN: %clangxx -fsanitize=pointer-overflow -O1 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-CPP --implicit-check-not="runtime error:" |
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| 8 | // RUN: %clangxx -fsanitize=pointer-overflow -O2 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-CPP --implicit-check-not="runtime error:" |
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| 9 | // RUN: %clangxx -fsanitize=pointer-overflow -O3 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-CPP --implicit-check-not="runtime error:" |
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| 10 | |
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| 11 | #include <stdlib.h> |
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| 12 | |
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| 13 | int main(int argc, char *argv[]) { |
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| 14 | char *base, *result; |
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| 15 | |
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| 16 | base = (char *)0; |
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| 17 | result = base + 0; |
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| 18 | // CHECK-C: {{.*}}.cpp:[[@LINE-1]]:17: runtime error: applying zero offset to null pointer |
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| 19 | // CHECK-CPP-NOT: runtime error: |
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| 20 | |
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| 21 | base = (char *)0; |
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| 22 | result = base + 1; |
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| 23 | // CHECK: {{.*}}.cpp:[[@LINE-1]]:17: runtime error: applying non-zero offset 1 to null pointer |
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| 24 | |
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| 25 | base = (char *)1; |
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| 26 | result = base - 1; |
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| 27 | // CHECK: {{.*}}.cpp:[[@LINE-1]]:17: runtime error: applying non-zero offset to non-null pointer 0x{{.*}} produced null pointer |
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| 28 | |
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| 29 | return 0; |
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| 30 | } |
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| 31 | |
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