[PATCH] D143471: [X86][MC][NFC] Refine code in X86MCCodeEmitter.cpp about opcode prefix

Fri Feb 10 09:49:25 PST 2023

augusto2112 added a comment.

In D143471#4117637 <https://reviews.llvm.org/D143471#4117637>, @uabelho wrote:

> Hi,
>
> I noticed that if I run lit tests with ubsan built binaries with this patch there are many many tests failing like
>
>   ../lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp:222:19: runtime error: left shift of negative value -1

Hi, the LLDB sanitized bots are also failing with this error https://green.lab.llvm.org/green/view/LLDB/job/lldb-cmake-sanitized/3335/console

Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D143471/new/

https://reviews.llvm.org/D143471