--- old/src/cpu/x86/vm/assembler_x86.cpp 2009-10-22 18:35:24.692410934 +0200 +++ new/src/cpu/x86/vm/assembler_x86.cpp 2009-10-22 18:35:24.577897273 +0200 @@ -7647,7 +7647,7 @@ #ifdef ASSERT Label L; - testl(tmp, tmp); + testptr(tmp, tmp); jccb(Assembler::notZero, L); hlt(); bind(L);