| 1 | // RUN: %clangxx -fsanitize=alignment -fno-sanitize-recover=alignment -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption " |
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| 2 | |
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| 3 | // RUN: rm -f %tmp |
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| 4 | // RUN: echo "[alignment]" >> %tmp |
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| 5 | // RUN: echo "fun:main" >> %tmp |
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| 6 | // RUN: %clangxx -fsanitize=alignment -fno-sanitize-recover=alignment -fsanitize-ignorelist=%tmp -O0 %s -o %t && %run %t 2>&1 |
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| 7 | |
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| 8 | #include <stdlib.h> |
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| 9 | |
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| 10 | int main(int argc, char* argv[]) { |
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| 11 | char *ptr = (char *)malloc(size: 2); |
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| 12 | |
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| 13 | __builtin_assume_aligned(ptr + 1, 0x8000); |
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| 14 | // CHECK: {{.*}}align-assume-ignorelist.cpp:[[@LINE-1]]:32: runtime error: assumption of 32768 byte alignment for pointer of type 'char *' failed |
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| 15 | // CHECK: 0x{{.*}}: note: address is {{.*}} aligned, misalignment offset is {{.*}} byte |
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| 16 | |
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| 17 | free(ptr: ptr); |
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| 18 | |
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| 19 | return 0; |
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| 20 | } |
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| 21 | |
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