A brief survey of priority_queue usage in the tree turned this up
as a questionable case, but the code isn't actually needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52657 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp
index f4a1c00..a26924b 100644
--- a/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/lib/CodeGen/RegAllocLinearScan.cpp
@@ -305,7 +305,7 @@
spiller_->runOnMachineFunction(*mf_, *vrm_);
vrm_.reset(); // Free the VirtRegMap
- while (!unhandled_.empty()) unhandled_.pop();
+ assert(unhandled_.empty() && "Unhandled live intervals remain!");
fixed_.clear();
active_.clear();
inactive_.clear();