[backend]将testdata/下的测例替换为了赛方测试用例，更新了测试脚本

testdata/functional/90_many_locals.sy

@@ -0,0 +1,39 @@
+
+int foo()
+{
+    int arr[16] = {0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3};
+
+    int a = 3, b = 7, c = 5, d = 6, e = 1, f = 0, g = 3, h = 5,
+        i = 4, j = 2, k = 7, l = 9, m = 8, n = 1, o = 4, p = 6;
+
+    int sum1 = a + b + c + d + e + f + g + h;
+    int sum2 = i + j + k + l + m + n + o + p;
+
+    return sum1 + sum2 + arr[a];
+}
+
+int main()
+{
+    int a = 3, b = 7, c = 5, d = 6, e = 1, f = 0, g = 3, h = 5,
+        i = 4, j = 2, k = 7, l = 9, m = 8, n = 1, o = 4, p = 6;
+
+    int sum1 = a + b + c + d + e + f + g + h;
+    int sum2 = i + j + k + l + m + n + o + p;
+
+    sum1 = sum1 + foo();
+
+    int q = 4, r = 7, s = 2, t = 5, u = 8, v = 0, w = 6, x = 3;
+
+    sum2 = sum2 + foo();
+
+    a = i; b = j; c = k; d = l;
+    e = m; f = n; g = o; h = p;
+
+    int sum3 = q + r + s + t + u + v + w + x;
+
+    int sum = sum1 + sum2 + sum3;
+
+    putint(sum);
+    putch(10);
+    return 0;
+}