changeset 4440:e53e962bd403

6892079: live value must not be garbage failure after fix for 6854812 Reviewed-by: kvn
author never
date Wed, 11 Nov 2009 23:39:17 -0800
parents 2a23318c15bf
children 1dfb3f44c62a
files hotspot/src/share/vm/opto/parse1.cpp
diffstat 1 files changed, 6 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/hotspot/src/share/vm/opto/parse1.cpp	Tue Nov 10 17:00:18 2009 -0800
+++ b/hotspot/src/share/vm/opto/parse1.cpp	Wed Nov 11 23:39:17 2009 -0800
@@ -231,12 +231,13 @@
 
   // Use the raw liveness computation to make sure that unexpected
   // values don't propagate into the OSR frame.
-  MethodLivenessResult live_locals = method()->raw_liveness_at_bci(osr_bci());
+  MethodLivenessResult live_locals = method()->liveness_at_bci(osr_bci());
   if (!live_locals.is_valid()) {
     // Degenerate or breakpointed method.
     C->record_method_not_compilable("OSR in empty or breakpointed method");
     return;
   }
+  MethodLivenessResult raw_live_locals = method()->raw_liveness_at_bci(osr_bci());
 
   // Extract the needed locals from the interpreter frame.
   Node *locals_addr = basic_plus_adr(osr_buf, osr_buf, (max_locals-1)*wordSize);
@@ -316,6 +317,10 @@
         continue;
       }
     }
+    if (type->basic_type() == T_ADDRESS && !raw_live_locals.at(index)) {
+      // Skip type check for dead address locals
+      continue;
+    }
     set_local(index, check_interpreter_type(l, type, bad_type_exit));
   }