added tests as prepared by oliver

test/val/struct1.c

@@ -0,0 +1,100 @@
+/*
+  !!DESCRIPTION!!
+  !!ORIGIN!!      SDCC regression tests
+  !!LICENCE!!     GPL, read COPYING.GPL
+*/
+
+#include <stdio.h>
+#include <limits.h>
+
+unsigned char success = 0;
+unsigned char failures = 0;
+unsigned char dummy = 0;
+
+#if SUPPORT_BIT_TYPES
+
+bit bit0 = 0;
+bit bit1 = 0;
+bit bit2 = 0;
+bit bit3 = 0;
+bit bit4 = 0;
+bit bit5 = 0;
+bit bit6 = 0;
+bit bit7 = 0;
+bit bit8 = 0;
+bit bit9 = 0;
+bit bit10 = 0;
+bit bit11 = 0;
+
+#endif
+
+unsigned int aint0 = 0;
+unsigned int aint1 = 0;
+unsigned char achar0 = 0;
+unsigned char achar1 = 0;
+unsigned char *acharP = 0;
+
+struct chars
+  {
+    unsigned char c0, c1;
+    unsigned int  i0, i1;
+  };
+
+struct chars struct1;
+
+void
+done ()
+{
+  dummy++;
+}
+
+void
+struct_test (void)
+{
+  if (struct1.c0 || struct1.c1)
+    failures++;
+
+  struct1.c0++;
+
+  if (struct1.c0 != 1)
+    failures++;
+}
+
+void
+ptr_to_struct (struct chars *p)
+{
+  if (p->c1)
+    failures++;
+
+  p->c1++;
+
+  if (p->c1 != 1)
+    failures++;
+}
+
+void add_chars(void)
+{
+  achar0 = struct1.c0 + struct1.c1;
+
+  if(achar0 != 1)
+    failures++;
+}
+
+int
+main (void)
+{
+  struct1.c0 = 0;
+  struct1.c1 = 0;
+  struct_test ();
+  ptr_to_struct (&struct1);
+
+  struct1.c0 = 0;
+  struct1.c1 = 1;
+  add_chars();
+
+  success = failures;
+  done ();
+  printf("failures: %d\n",failures);
+
+  return failures;
+}