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[AIEX] fix reallocation bug in WAW Rewriter#871

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F-Stuckmann wants to merge 1 commit intoaie-publicfrom
stuckmann.waw.fix
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[AIEX] fix reallocation bug in WAW Rewriter#871
F-Stuckmann wants to merge 1 commit intoaie-publicfrom
stuckmann.waw.fix

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@F-Stuckmann
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Indentation bug. Clarified with early continue.

LLVM_DEBUG(dbgs() << "Renaming " << printReg(VReg, TRI, 0, MRI)
<< " failed\n");
if (replaceReg(VReg, Registers, UsedUnits))
continue;
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Since no tests change, I think we don't test this path.

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yeah that is concerning! lets see if I can llvm-reduce a unit-test

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