[aarch64-port-dev ] Fix SEGV in JTReg test

[Edward Nevill]

Hi,

Test7103261 in JTReg fails with a SEGV due to a missing implicit null
check.

The patch below fixes this.

OK?

Ed.

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# HG changeset patch
# User Edward Nevill ed at camswl.com
# Date 1376479124 -3600
# Node ID 2fee62abab5d36bf37a16b43620f7834879b89f3
# Parent  ce185e10867844cdd00b4cd1b2c96c524a0706dc
Fix SEGV in JTReg Test7103261

diff -r ce185e108678 -r 2fee62abab5d src/cpu/aarch64/vm/c1_LIRAssembler_aarch64.cpp
--- a/src/cpu/aarch64/vm/c1_LIRAssembler_aarch64.cpp	Tue Aug 13 17:15:41 2013 +0100
+++ b/src/cpu/aarch64/vm/c1_LIRAssembler_aarch64.cpp	Wed Aug 14 12:18:44 2013 +0100
@@ -713,6 +713,7 @@
     ShouldNotReachHere();
   }
 
+  if (info) add_debug_info_for_null_check_here(info);
   (_masm->*insn)(zr, as_Address(to_addr, rscratch1));
 }
 
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