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19 lines
427 B
19 lines
427 B
// RUN: %clangxx_msan -O0 -g %s -o %t && %run %t
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// RUN: %clangxx_msan -O0 -g -DUNINIT %s -o %t && not %run %t 2>&1 | FileCheck %s
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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int main(void) {
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unsigned seed;
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#ifndef UNINIT
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seed = 42;
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#endif
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int v = rand_r(&seed);
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// CHECK: MemorySanitizer: use-of-uninitialized-value
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// CHECK: in main{{.*}}rand_r.cc:[[@LINE-2]]
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if (v) printf(".\n");
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return 0;
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}
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