libs/libc/time/lib_gmtimer.c: Spurious reorganization of a loop to work around and ZDD-II internal compiler error. Might be a little bigger now, but is also probably a more structured use of C.

libs/libc/time/lib_gmtimer.c

@@ -188,33 +188,33 @@ static void clock_utc2calendar(time_t days, FAR int *year, FAR int *month,
   days   -= value * (4 * 365 + 1); /* Remaining days */
   value <<= 2;                     /* Years since the epoch */
 
-  /* Then we will brute force the next 0-3 years */
+  /* Then we will brute force the next 0-3 years
+   *
+   * Is this year a leap year? (we'll need this later too)
+   */
 
-  for (; ; )
+  leapyear = clock_isleapyear(value + 1970);
+
+  /* Get the number of days in the year */
+
+  tmp = (leapyear ? 366 : 365);
+
+  /* Do we have that many days left to account for? */
+
+  while (days >= tmp)
     {
-      /* Is this year a leap year (we'll need this later too) */
+      /* Yes.. bump up the year and subtract the number of days in the year */
+
+      value++;
+      days -= tmp;
+
+      /* Is the next year a leap year? */
 
       leapyear = clock_isleapyear(value + 1970);
 
-      /* Get the number of days in the year */
+      /* Get the number of days in the next year */
 
       tmp = (leapyear ? 366 : 365);
-
-      /* Do we have that many days? */
-
-      if (days >= tmp)
-        {
-           /* Yes.. bump up the year */
-
-           value++;
-           days -= tmp;
-        }
-      else
-        {
-           /* Nope... then go handle months */
-
-           break;
-        }
     }
 
   /* At this point, value has the year and days has number days into this