Add regression test for issue #1122.

ivtest/ivltests/br_gh1122.v

@@ -0,0 +1,49 @@
+module tranif_or(a, b, y);
+    input a, b;
+    inout y;
+
+    supply1 vdd;
+    supply0 vss;
+
+    wire w1, w2;
+
+    // NOR
+    tranif0(w1, vdd, a);
+    tranif0(w2, w1,  b);
+    tranif1(w2, vss, a);
+    tranif1(w2, vss, b);
+
+    // OR
+    tranif0(y, vdd, w2);
+    tranif1(y, vss, w2);
+endmodule
+
+module test;
+
+reg     a, b;
+wire    y;
+
+tranif_or dut(a, b, y);
+
+reg failed = 0;
+
+initial begin
+    $monitor("%t a=%b b=%b Y=%b", $time, a, b, y);
+    #10 a = 0; b = 0;
+    #0 if (y !== 0) failed = 1;
+    #10 a = 0; b = 1;
+    #0 if (y !== 1) failed = 1;
+    #10 a = 1; b = 0;
+    #0 if (y !== 1) failed = 1;
+    #10 a = 1; b = 1;
+    #0 if (y !== 1) failed = 1;
+    #1;
+    if (failed)
+        $display("FAILED");
+    else
+        $display("PASSED");
+end
+
+endmodule
+
+

ivtest/regress-vvp.list

@@ -49,6 +49,7 @@ br_gh1099a			vvp_tests/br_gh1099a.json
 br_gh1099b			vvp_tests/br_gh1099b.json
 br_gh1099c			vvp_tests/br_gh1099c.json
 br_gh1104			vvp_tests/br_gh1104.json
+br_gh1122			vvp_tests/br_gh1122.json
 ca_time_real`			vvp_tests/ca_time_real.json
 case1				vvp_tests/case1.json
 case2				vvp_tests/case2.json

ivtest/vvp_tests/br_gh1122.json

@@ -0,0 +1,4 @@
+{
+    "type"   : "normal",
+    "source" : "br_gh1122.v"
+}