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a1318bfa1b
The missing line added by this patch ensures that only spilt variable locations are candidates for being restored from the stack. Otherwise, register or constant-value information can be interpreted as a spill location, through a union. The added regression test replicates a scenario where this occurs: the stack load from [rsp] causes the register-location DBG_VALUE to be "restored" to rsi, when it should be left alone. See PR43058 for details. Un x-fail a test that was suffering from this from a previous patch. Differential Revision: https://reviews.llvm.org/D66895 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@370648 91177308-0d34-0410-b5e6-96231b3b80d8