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Commit 1815b688 authored by Eli Friedman's avatar Eli Friedman
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Make sure IPSCCP never marks a tracked call as overdefined in... 

Make sure IPSCCP never marks a tracked call as overdefined in SCCPSolver::ResolvedUndefsIn.  If we do, we can end up in a situation where a function is resolved to return a constant, but the caller is marked overdefined, which confuses the code later.

<rdar://problem/9956541> (again).

llvm-svn: 140210
parent b573542e
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