26 lines
612 B
C++
26 lines
612 B
C++
// RUN: %clangxx_msan -O0 -g %s -o %t && %run %t
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// RUN: %clangxx_msan -O3 -g %s -o %t && %run %t
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <sanitizer/msan_interface.h>
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int main(void) {
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char *p = (char *)alloca(16);
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assert(0 == __msan_test_shadow(p, 16));
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assert(0 == __msan_test_shadow(p + 15, 1));
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memset(p, 0, 16);
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assert(-1 == __msan_test_shadow(p, 16));
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volatile int x = 0;
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char * volatile q = (char *)alloca(42 * x);
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assert(-1 == __msan_test_shadow(p, 16));
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int r[x];
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int *volatile r2 = r;
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assert(-1 == __msan_test_shadow(p, 16));
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}
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