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17 lines
903 B
17 lines
903 B
// RUN: %clangxx -DOP=n++ -fsanitize=unsigned-integer-overflow %s -o %t1 && %run %t1 2>&1 | FileCheck --check-prefix=CHECK-INC %s
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// RUN: %clangxx -DOP=++n -fsanitize=unsigned-integer-overflow %s -o %t2 && %run %t2 2>&1 | FileCheck --check-prefix=CHECK-INC %s
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// RUN: %clangxx -DOP=m-- -fsanitize=unsigned-integer-overflow %s -o %t3 && %run %t3 2>&1 | FileCheck --check-prefix=CHECK-DEC %s
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// RUN: %clangxx -DOP=--m -fsanitize=unsigned-integer-overflow %s -o %t4 && %run %t4 2>&1 | FileCheck --check-prefix=CHECK-DEC %s
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#include <stdint.h>
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int main() {
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unsigned n = 0xfffffffd;
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n++;
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n++;
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unsigned m = 0;
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// CHECK-INC: uincdec-overflow.cpp:15:3: runtime error: unsigned integer overflow: 4294967295 + 1 cannot be represented in type 'unsigned int'
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// CHECK-DEC: uincdec-overflow.cpp:15:3: runtime error: unsigned integer overflow: 0 - 1 cannot be represented in type 'unsigned int'
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OP;
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}
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