[Webkit-unassigned] [Bug 97586] [Qt] Fix crashes with LLInt C loop on 64 bit release mode

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=97586





--- Comment #17 from Zoltan Herczeg <zherczeg at webkit.org>  2012-10-31 05:20:10 PST ---
The initalization of exceptionInstructions is here:

LLIntData.cpp:
Data::s_exceptionInstructions = new Instruction[maxOpcodeLength + 1];

Later all opcodes are set to llint_throw_from_slow_path_trampoline in LowLevelInterpreter.cpp.

Probably you have different allocator, which allocates memory in the high region. The trick here is all opcodes up to maxOpcodeLength set to the same poiner, which effectively ignores the opcode length of _offlineasm_noInstructions.

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