[llvm-commits] [PATCH] [MC] Reading off end of buffer when disassembling truncated x86 asm (PR7710)

[Richard Smith]

Hi,

The attached patch (also attached to PR7710) fixes two issues which cause
llvm-mc to incorrectly disassemble truncated asm:

1) A off-by-one error in llvm-mc's MemoryObject allowed reading one byte
past the end of the buffer.

2) The X86 disassembler did not bail out with an error if it encountered a
read error when parsing the mod/rm byte.

Please review (and commit).

Thanks,
Richard
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