84c4efbc6d
This implements a FIXME in the runtime library and adds printing the address at the end of the message as "by 0x123abc". The buffer for the message is allocated on the stack in a handler, so the stack memory consumption is slightly increased. No additional external dependencies are added. Differential revision: https://reviews.llvm.org/D131914
24 lines
740 B
C
24 lines
740 B
C
// RUN: %clang -fsanitize=pointer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-C --implicit-check-not="pointer-overflow"
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// RUN: %clangxx -x c++ -fsanitize=pointer-overflow %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-CPP --implicit-check-not="pointer-overflow"
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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-C: pointer-overflow by 0x{{[[:xdigit:]]+$}}
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// CHECK-CPP-NOT: pointer-overflow
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base = (char *)0;
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result = base + 1;
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// CHECK: pointer-overflow by 0x{{[[:xdigit:]]+$}}
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base = (char *)1;
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result = base - 1;
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// CHECK: pointer-overflow by 0x{{[[:xdigit:]]+$}}
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return 0;
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}
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