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-rw-r--r--lib/CodeGen/LiveInterval.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp
index 0450c355dc..c34b628d5f 100644
--- a/lib/CodeGen/LiveInterval.cpp
+++ b/lib/CodeGen/LiveInterval.cpp
@@ -629,6 +629,12 @@ void LiveInterval::MergeInClobberRanges(const LiveInterval &Clobbers,
UnusedValNo = 0;
}
}
+
+ if (UnusedValNo) {
+ // Delete the last unused val#.
+ valnos.pop_back();
+ UnusedValNo->~VNInfo();
+ }
}
void LiveInterval::MergeInClobberRange(unsigned Start, unsigned End,