diff -r d3676b4cb78c -r fbde8ec322d0 src/share/vm/opto/matcher.cpp
--- a/src/share/vm/opto/matcher.cpp	Tue Mar 31 10:02:01 2009 -0700
+++ b/src/share/vm/opto/matcher.cpp	Tue Mar 31 14:07:08 2009 -0700
@@ -746,6 +746,8 @@
   if (nidx == Compile::AliasIdxBot && midx == Compile::AliasIdxTop) {
     switch (n->Opcode()) {
     case Op_StrComp:
+    case Op_StrEquals:
+    case Op_StrIndexOf:
     case Op_AryEq:
     case Op_MemBarVolatile:
     case Op_MemBarCPUOrder: // %%% these ideals should have narrower adr_type?
@@ -1788,6 +1790,8 @@
         mstack.push(n->in(0), Pre_Visit);     // Visit Control input
         continue;                             // while (mstack.is_nonempty())
       case Op_StrComp:
+      case Op_StrEquals:
+      case Op_StrIndexOf:
       case Op_AryEq:
         set_shared(n); // Force result into register (it will be anyways)
         break;