src/share/vm/opto/escape.cpp

rev 8981 : 8134031: Incorrect JIT compilation of complex code with inlining and escape analysis
Summary: Bad rewiring of memory edges when we split unique types during EA
Reviewed-by:

*** 3239,3249 ****
      // Note: we don't want to use MergeMemStream here because we only want to
      // scan inputs which exist at the start, not ones we add during processing.
      // Note 2: MergeMem may already contains instance memory slices added
      // during find_inst_mem() call when memory nodes were processed above.
      igvn->hash_delete(nmm);
!     uint nslices = nmm->req();
      for (uint i = Compile::AliasIdxRaw+1; i < nslices; i++) {
        Node* mem = nmm->in(i);
        Node* cur = NULL;
        if (mem == NULL || mem->is_top())
          continue;
--- 3239,3249 ----
      // Note: we don't want to use MergeMemStream here because we only want to
      // scan inputs which exist at the start, not ones we add during processing.
      // Note 2: MergeMem may already contains instance memory slices added
      // during find_inst_mem() call when memory nodes were processed above.
      igvn->hash_delete(nmm);
!     uint nslices = MIN2(nmm->req(), new_index_start);
      for (uint i = Compile::AliasIdxRaw+1; i < nslices; i++) {
        Node* mem = nmm->in(i);
        Node* cur = NULL;
        if (mem == NULL || mem->is_top())
          continue;