e0f3a3b228
It's not obvious why they are needed, and tests pass. Reviewed By: lebedev.ri Differential Revision: https://reviews.llvm.org/D111859
17 lines
589 B
C++
17 lines
589 B
C++
// RUN: %clangxx -fsanitize=alignment %s -o %t
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// RUN: %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NOTYPE
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// RUN: %env_ubsan_opts=report_error_type=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TYPE
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#include <stdlib.h>
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int main(int argc, char* argv[]) {
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char *ptr = (char *)malloc(2);
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__builtin_assume_aligned(ptr + 1, 0x8000);
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// CHECK-NOTYPE: SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior {{.*}}summary.cpp:[[@LINE-1]]:32
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// CHECK-TYPE: SUMMARY: UndefinedBehaviorSanitizer: alignment-assumption {{.*}}summary.cpp:[[@LINE-2]]:32
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free(ptr);
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return 0;
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}
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