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-rw-r--r--lib/CodeGen/RegAllocFast.cpp3
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/CodeGen/RegAllocFast.cpp b/lib/CodeGen/RegAllocFast.cpp
index 109da42e9c..6666d9aaf4 100644
--- a/lib/CodeGen/RegAllocFast.cpp
+++ b/lib/CodeGen/RegAllocFast.cpp
@@ -1024,8 +1024,7 @@ bool RAFast::runOnMachineFunction(MachineFunction &Fn) {
// initialize the virtual->physical register map to have a 'null'
// mapping for all virtual registers
- unsigned LastVirtReg = MRI->getLastVirtReg();
- StackSlotForVirtReg.grow(LastVirtReg);
+ StackSlotForVirtReg.resize(MRI->getNumVirtRegs());
// Loop over all of the basic blocks, eliminating virtual register references
for (MachineFunction::iterator MBBi = Fn.begin(), MBBe = Fn.end();