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-rw-r--r--lib/CodeGen/RegisterCoalescer.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/RegisterCoalescer.cpp b/lib/CodeGen/RegisterCoalescer.cpp
index 3b982d67e7..d5025b9e63 100644
--- a/lib/CodeGen/RegisterCoalescer.cpp
+++ b/lib/CodeGen/RegisterCoalescer.cpp
@@ -1203,6 +1203,7 @@ static bool RegistersDefinedFromSameValue(LiveIntervals &li,
VNInfo *VNI,
LiveRange *LR,
SmallVector<MachineInstr*, 8> &DupCopies) {
+ return false; // To see if this fixes the i386 dragonegg buildbot miscompile.
// FIXME: This is very conservative. For example, we don't handle
// physical registers.