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1 // RUN: %clang_msan %s -o %t
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2 // RUN: MSAN_OPTIONS=intercept_strcmp=false %run %t 2>&1
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3 // RUN: MSAN_OPTIONS=intercept_strcmp=true not %run %t 2>&1 | FileCheck %s
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4 // RUN: not %run %t 2>&1 | FileCheck %s
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5
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6 #include <assert.h>
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7 #include <stdlib.h>
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8 #include <string.h>
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9
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10 int main(int argc, char **argv) {
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11 char undef;
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12 char s1[] = "abcd";
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13 char s2[] = "1234";
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14 assert(strcmp(s1, s2) > 0);
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15 s2[0] = undef;
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16 assert(strcmp(s1, s2));
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17
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18 // CHECK: {{.*WARNING: MemorySanitizer: use-of-uninitialized-value}}
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19 return 0;
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20 }
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