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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [20020607-1.c] - Rev 149
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/* PR middle-end/6950 gcc 3.0.4 mistakenly set lhs.low to 0 at the beginning of the num_eq expansion; it should use a temporary. /* { dg-do run } */ typedef struct cpp_num cpp_num; struct cpp_num { long high; long low; char overflow; }; #define num_eq(num1, num2) (num1.low == num2.low && num1.high == num2.high) static cpp_num num_equality_op (lhs, rhs) cpp_num lhs, rhs; { lhs.low = num_eq (lhs, rhs); lhs.high = 0; lhs.overflow = 0; return lhs; } int main() { cpp_num a = { 1, 2 }; cpp_num b = { 3, 4 }; cpp_num result = num_equality_op (a, b); if (result.low) return 1; result = num_equality_op (a, a); if (!result.low) return 2; return 0; }
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