added 3 more test

test/val/cc65141022.c

@@ -0,0 +1,57 @@
+
+/*
+  !!DESCRIPTION!! struct base address dereferencing bug
+  !!ORIGIN!!      Testsuite
+  !!LICENCE!!     Public Domain
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+
+struct yywork
+{
+        char verify, advance;
+} yycrank[] =
+{
+        {0,0}
+};
+
+struct yysvf
+{
+        struct yywork *yystoff;
+};
+
+unsigned char fails = 0;
+
+int main(int n, char **args)
+{
+    struct yysvf *yystate;
+    struct yywork *yyt;
+
+    yystate->yystoff = yycrank;
+    yyt = yystate->yystoff;
+
+    if(yyt == yycrank) {
+        printf("yyt == yycrank (ok)\n");
+    } else {
+        printf("yyt != yycrank (fail)\n");
+        ++fails;
+    }
+
+    if(yyt == yystate->yystoff) {
+        printf("yyt == yystate->yystoff (ok)\n");
+    } else {
+        printf("yyt != yystate->yystoff (fail)\n");
+        ++fails;
+    }
+
+    if(yycrank == yystate->yystoff) {
+        printf("yycrank == yystate->yystoff (ok)\n");
+    } else {
+        printf("yycrank != yystate->yystoff (fail)\n");
+        ++fails;
+    }
+
+    printf("fails: %d\n", fails);
+    return fails;
+}