src/share/vm/opto/domgraph.cpp

*** 504,514 ****
  }
  
  // Perform DFS search.  Setup 'vertex' as DFS to vertex mapping.  Setup
  // 'semi' as vertex to DFS mapping.  Set 'parent' to DFS parent.
  int NTarjan::DFS( NTarjan *ntarjan, VectorSet &visited, PhaseIdealLoop *pil, uint *dfsorder) {
!   // Allocate stack of size C->unique()/8 to avoid frequent realloc
    GrowableArray <Node *> dfstack(pil->C->live_nodes() >> 3);
    Node *b = pil->C->root();
    int dfsnum = 1;
    dfsorder[b->_idx] = dfsnum; // Cache parent's dfsnum for a later use
    dfstack.push(b);
--- 504,514 ----
  }
  
  // Perform DFS search.  Setup 'vertex' as DFS to vertex mapping.  Setup
  // 'semi' as vertex to DFS mapping.  Set 'parent' to DFS parent.
  int NTarjan::DFS( NTarjan *ntarjan, VectorSet &visited, PhaseIdealLoop *pil, uint *dfsorder) {
!   // Allocate stack of size C->live_nodes()/8 to avoid frequent realloc
    GrowableArray <Node *> dfstack(pil->C->live_nodes() >> 3);
    Node *b = pil->C->root();
    int dfsnum = 1;
    dfsorder[b->_idx] = dfsnum; // Cache parent's dfsnum for a later use
    dfstack.push(b);