Mercurial > hg > truffle
diff src/cpu/x86/vm/assembler_x86.cpp @ 1016:d40f03b57795
6890984: Comparison of 2 arrays could cause VM crash
Summary: Restore original null checks.
Reviewed-by: never, cfang
author | kvn |
---|---|
date | Wed, 14 Oct 2009 15:03:32 -0700 |
parents | 62001a362ce9 |
children | beb8f45ee9f0 323bd24c6520 |
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--- a/src/cpu/x86/vm/assembler_x86.cpp Wed Oct 14 11:42:59 2009 -0700 +++ b/src/cpu/x86/vm/assembler_x86.cpp Wed Oct 14 15:03:32 2009 -0700 @@ -8634,8 +8634,10 @@ if (is_array_equ) { // Need additional checks for arrays_equals. - andptr(ary1, ary2); - jcc(Assembler::zero, FALSE_LABEL); // One pointer is NULL + testptr(ary1, ary1); + jcc(Assembler::zero, FALSE_LABEL); + testptr(ary2, ary2); + jcc(Assembler::zero, FALSE_LABEL); // Check the lengths movl(limit, Address(ary1, length_offset));