Jennifer Yu 6b0f35931a Fix signal during the call to checkOpenMPLoop. ...

The root problem is a null pointer is accessed during the call to
checkOpenMPLoop, because loop up bound expr is an error expression
due to error diagnostic was emit early.

To fix this, in setLCDeclAndLB, setUB and setStep instead return false,
return true when LB, UB or Step contains Error, so that the checking is
stopped in checkOpenMPLoop.

Differential Revision: https://reviews.llvm.org/D107385

2021-08-05 08:59:35 -07:00

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