src/hotspot/share/gc/shared/genCollectedHeap.cpp

@@ -1145,11 +1145,11 @@
 // Requires "*prev_ptr" to be non-NULL.  Deletes and a block of minimal size
 // from the list headed by "*prev_ptr".
 static ScratchBlock *removeSmallestScratch(ScratchBlock **prev_ptr) {
   bool first = true;
   size_t min_size = 0;   // "first" makes this conceptually infinite.
-  ScratchBlock **smallest_ptr, *smallest;
+  ScratchBlock **smallest_ptr = NULL, *smallest =  NULL;
   ScratchBlock  *cur = *prev_ptr;
   while (cur) {
     assert(*prev_ptr == cur, "just checking");
     if (first || cur->num_words < min_size) {
       smallest_ptr = prev_ptr;